134147520 has 168 divisors, whose sum is σ = 497043456. Its totient is φ = 33011712.

The previous prime is 134147473. The next prime is 134147521. The reversal of 134147520 is 25741431.

134147520 is a `hidden beast` number, since 134 + 1 + 4 + 7 + 520 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134147521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35649 + ... + 39231.

It is an arithmetic number, because the mean of its divisors is an integer number (2958592).

Almost surely, 2^134147520 is an apocalyptic number.

134147520 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 134147520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248521728).

134147520 is an abundant number, since it is smaller than the sum of its proper divisors (362895936).

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

134147520 is a wasteful number, since it uses less digits than its factorization.

134147520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3619 (or 3606 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 134147520 is about 11582.2070435647. The cubic root of 134147520 is about 511.9107103408.

Adding to 134147520 its reverse (25741431), we get a palindrome (159888951).

The spelling of 134147520 in words is "one hundred thirty-four million, one hundred forty-seven thousand, five hundred twenty".