135355661204 has 24 divisors (see below), whose sum is σ = 247262769600. Its totient is φ = 64711335744.

The previous prime is 135355661159. The next prime is 135355661219. The reversal of 135355661204 is 402166553531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21554 + ... + 520745.

It is an arithmetic number, because the mean of its divisors is an integer number (10302615400).

Almost surely, 2^135355661204 is an apocalyptic number.

It is an amenable number.

135355661204 is a deficient number, since it is larger than the sum of its proper divisors (111907108396).

135355661204 is a wasteful number, since it uses less digits than its factorization.

135355661204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545039 (or 545037 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 41.

The spelling of 135355661204 in words is "one hundred thirty-five billion, three hundred fifty-five million, six hundred sixty-one thousand, two hundred four".