136171562456 has 128 divisors (see below), whose sum is σ = 269875584000. Its totient is φ = 64363852800.

The previous prime is 136171562369. The next prime is 136171562459. The reversal of 136171562456 is 654265171631.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 136171562456.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136171562459) 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, 297968180 + ... + 297968636.

It is an arithmetic number, because the mean of its divisors is an integer number (2108403000).

Almost surely, 2^136171562456 is an apocalyptic number.

It is an amenable number.

136171562456 is a deficient number, since it is larger than the sum of its proper divisors (133704021544).

136171562456 is a wasteful number, since it uses less digits than its factorization.

136171562456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793 (or 789 counting only the distinct ones).

The product of its digits is 907200, while the sum is 47.

The spelling of 136171562456 in words is "one hundred thirty-six billion, one hundred seventy-one million, five hundred sixty-two thousand, four hundred fifty-six".