134372520 has 160 divisors (see below), whose sum is σ = 459122400. Its totient is φ = 35240832.

The previous prime is 134372489. The next prime is 134372527. The reversal of 134372520 is 25273431.

134372520 is a `hidden beast` number, since 134 + 3 + 7 + 2 + 520 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (134372527) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 216771 + ... + 217389.

It is an arithmetic number, because the mean of its divisors is an integer number (2869515).

Almost surely, 2^134372520 is an apocalyptic number.

134372520 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 134372520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229561200).

134372520 is an abundant number, since it is smaller than the sum of its proper divisors (324749880).

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

134372520 is a wasteful number, since it uses less digits than its factorization.

134372520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709 (or 696 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 134372520 is about 11591.9161487651. The cubic root of 134372520 is about 512.1967525881.

The spelling of 134372520 in words is "one hundred thirty-four million, three hundred seventy-two thousand, five hundred twenty".