135938629394428 has 24 divisors (see below), whose sum is σ = 271878278468832. Its totient is φ = 58259194094784.

The previous prime is 135938629394333. The next prime is 135938629394441. The reversal of 135938629394428 is 824493926839531.

It is a hoax number, since the sum of its digits (76) coincides with the sum of the digits of its distinct prime factors.

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, 1390675 + ... + 16547242.

It is an arithmetic number, because the mean of its divisors is an integer number (11328261602868).

Almost surely, 2^{135938629394428} is an apocalyptic number.

It is an amenable number.

135938629394428 is an abundant number, since it is smaller than the sum of its proper divisors (135939649074404).

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

135938629394428 is a wasteful number, since it uses less digits than its factorization.

135938629394428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18208581 (or 18208579 counting only the distinct ones).

The product of its digits is 2418647040, while the sum is 76.

The spelling of 135938629394428 in words is "one hundred thirty-five trillion, nine hundred thirty-eight billion, six hundred twenty-nine million, three hundred ninety-four thousand, four hundred twenty-eight".