134305040 has 40 divisors (see below), whose sum is σ = 314741760. Its totient is φ = 53294976.

The previous prime is 134305037. The next prime is 134305043. The reversal of 134305040 is 40503431.

It is an interprime number because it is at equal distance from previous prime (134305037) and next prime (134305043).

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (134305043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3551 + ... + 16769.

It is an arithmetic number, because the mean of its divisors is an integer number (7868544).

Almost surely, 2^134305040 is an apocalyptic number.

134305040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134305040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157370880).

134305040 is an abundant number, since it is smaller than the sum of its proper divisors (180436720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

134305040 is a wasteful number, since it uses less digits than its factorization.

134305040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13359 (or 13353 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 134305040 is about 11589.0051341778. The cubic root of 134305040 is about 512.1109988835.

Adding to 134305040 its reverse (40503431), we get a palindrome (174808471).

The spelling of 134305040 in words is "one hundred thirty-four million, three hundred five thousand, forty".