134457520 has 40 divisors (see below), whose sum is σ = 315854784. Its totient is φ = 53225472.

The previous prime is 134457493. The next prime is 134457529. The reversal of 134457520 is 25754431.

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

It is not an unprimeable number, because it can be changed into a prime (134457529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 904 + ... + 16423.

Almost surely, 2^134457520 is an apocalyptic number.

134457520 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 134457520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157927392).

134457520 is an abundant number, since it is smaller than the sum of its proper divisors (181397264).

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

134457520 is a wasteful number, since it uses less digits than its factorization.

134457520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17437 (or 17431 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 134457520 is about 11595.5819172649. The cubic root of 134457520 is about 512.3047298918.

The spelling of 134457520 in words is "one hundred thirty-four million, four hundred fifty-seven thousand, five hundred twenty".