135204837504 has 128 divisors (see below), whose sum is σ = 405297000000. Its totient is φ = 39558328320.

The previous prime is 135204837497. The next prime is 135204837517. The reversal of 135204837504 is 405738402531.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 429379 + ... + 674370.

Almost surely, 2^135204837504 is an apocalyptic number.

It is an amenable number.

135204837504 is an abundant number, since it is smaller than the sum of its proper divisors (270092162496).

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

135204837504 is a wasteful number, since it uses less digits than its factorization.

135204837504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103806 (or 1103794 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 42.

The spelling of 135204837504 in words is "one hundred thirty-five billion, two hundred four million, eight hundred thirty-seven thousand, five hundred four".