134507520 has 352 divisors, whose sum is σ = 550233600. Its totient is φ = 30523392.

The previous prime is 134507509. The next prime is 134507521. The reversal of 134507520 is 25705431.

It is a happy number.

134507520 is a `hidden beast` number, since 134 + 5 + 0 + 7 + 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 (134507521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 967611 + ... + 967749.

Almost surely, 2^134507520 is an apocalyptic number.

134507520 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 134507520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275116800).

134507520 is an abundant number, since it is smaller than the sum of its proper divisors (415726080).

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

134507520 is a wasteful number, since it uses less digits than its factorization.

134507520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180 (or 156 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 134507520 is about 11597.7377104330. The cubic root of 134507520 is about 512.3682246967.

The spelling of 134507520 in words is "one hundred thirty-four million, five hundred seven thousand, five hundred twenty".