135142504 has 16 divisors (see below), whose sum is σ = 289591200. Its totient is φ = 57918192.

The previous prime is 135142499. The next prime is 135142529. The reversal of 135142504 is 405241531.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1206574 + ... + 1206685.

It is an arithmetic number, because the mean of its divisors is an integer number (18099450).

Almost surely, 2^135142504 is an apocalyptic number.

135142504 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

135142504 is an abundant number, since it is smaller than the sum of its proper divisors (154448696).

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

135142504 is a wasteful number, since it uses less digits than its factorization.

135142504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2413272 (or 2413268 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 135142504 is about 11625.0808169234. The cubic root of 135142504 is about 513.1732230559.

The spelling of 135142504 in words is "one hundred thirty-five million, one hundred forty-two thousand, five hundred four".