136242725976 has 128 divisors (see below), whose sum is σ = 438441830400. Its totient is φ = 38393222400.

The previous prime is 136242725959. The next prime is 136242725977. The reversal of 136242725976 is 679527242631.

136242725976 is a `hidden beast` number, since 1 + 3 + 6 + 2 + 42 + 7 + 2 + 597 + 6 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136242725977) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 506800 + ... + 727551.

It is an arithmetic number, because the mean of its divisors is an integer number (3425326800).

Almost surely, 2^136242725976 is an apocalyptic number.

It is an amenable number.

136242725976 is an abundant number, since it is smaller than the sum of its proper divisors (302199104424).

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

136242725976 is a wasteful number, since it uses less digits than its factorization.

136242725976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1234446 (or 1234436 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 54.

The spelling of 136242725976 in words is "one hundred thirty-six billion, two hundred forty-two million, seven hundred twenty-five thousand, nine hundred seventy-six".