134533440 has 224 divisors, whose sum is σ = 495970560. Its totient is φ = 34265088.

The previous prime is 134533439. The next prime is 134533481. The reversal of 134533440 is 44335431.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 198382 + ... + 199058.

Almost surely, 2^134533440 is an apocalyptic number.

134533440 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 134533440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247985280).

134533440 is an abundant number, since it is smaller than the sum of its proper divisors (361437120).

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

134533440 is a wasteful number, since it uses less digits than its factorization.

134533440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726 (or 710 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 134533440 is about 11598.8551159155. The cubic root of 134533440 is about 512.4011342109.

Adding to 134533440 its reverse (44335431), we get a palindrome (178868871).

The spelling of 134533440 in words is "one hundred thirty-four million, five hundred thirty-three thousand, four hundred forty".