135697044357 has 48 divisors (see below), whose sum is σ = 235842048000. Its totient is φ = 73446240672.

The previous prime is 135697044349. The next prime is 135697044359. The reversal of 135697044357 is 753440796531.

135697044357 is a `hidden beast` number, since 1 + 3 + 569 + 7 + 0 + 44 + 35 + 7 = 666.

It is not a de Polignac number, because 135697044357 - 2³ = 135697044349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135697044359) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12154744 + ... + 12165902.

It is an arithmetic number, because the mean of its divisors is an integer number (4913376000).

Almost surely, 2^135697044357 is an apocalyptic number.

It is an amenable number.

135697044357 is a deficient number, since it is larger than the sum of its proper divisors (100145003643).

135697044357 is a wasteful number, since it uses less digits than its factorization.

135697044357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21350 (or 21347 counting only the distinct ones).

The product of its (nonzero) digits is 9525600, while the sum is 54.

The spelling of 135697044357 in words is "one hundred thirty-five billion, six hundred ninety-seven million, forty-four thousand, three hundred fifty-seven".