135975792042 has 40 divisors (see below), whose sum is σ = 304707903456. Its totient is φ = 45322079688.

The previous prime is 135975792037. The next prime is 135975792061. The reversal of 135975792042 is 240297579531.

135975792042 is a `hidden beast` number, since 1 + 3 + 5 + 9 + 7 + 579 + 20 + 42 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 135975792042.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3871653 + ... + 3906615.

Almost surely, 2^135975792042 is an apocalyptic number.

135975792042 is an abundant number, since it is smaller than the sum of its proper divisors (168732111414).

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

135975792042 is a wasteful number, since it uses less digits than its factorization.

135975792042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58984 (or 58975 counting only the distinct ones).

The product of its (nonzero) digits is 4762800, while the sum is 54.

The spelling of 135975792042 in words is "one hundred thirty-five billion, nine hundred seventy-five million, seven hundred ninety-two thousand, forty-two".