135120504 has 16 divisors (see below), whose sum is σ = 337801320. Its totient is φ = 45040160.

The previous prime is 135120499. The next prime is 135120509. The reversal of 135120504 is 405021531.

It is an interprime number because it is at equal distance from previous prime (135120499) and next prime (135120509).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135120509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2814987 + ... + 2815034.

Almost surely, 2^135120504 is an apocalyptic number.

It is an amenable number.

135120504 is an abundant number, since it is smaller than the sum of its proper divisors (202680816).

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

135120504 is a wasteful number, since it uses less digits than its factorization.

135120504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5630030 (or 5630026 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 135120504 is about 11624.1345484298. The cubic root of 135120504 is about 513.1453748630.

The spelling of 135120504 in words is "one hundred thirty-five million, one hundred twenty thousand, five hundred four".