136897767144 has 96 divisors (see below), whose sum is σ = 403956494400. Its totient is φ = 42948299520.

The previous prime is 136897767143. The next prime is 136897767157. The reversal of 136897767144 is 441767798631.

136897767144 is a `hidden beast` number, since 1 + 368 + 9 + 77 + 67 + 144 = 666.

It is not an unprimeable number, because it can be changed into a prime (136897767143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1034092 + ... + 1158939.

It is an arithmetic number, because the mean of its divisors is an integer number (4207880150).

Almost surely, 2^136897767144 is an apocalyptic number.

It is an amenable number.

136897767144 is an abundant number, since it is smaller than the sum of its proper divisors (267058727256).

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

136897767144 is a wasteful number, since it uses less digits than its factorization.

136897767144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2193080 (or 2193053 counting only the distinct ones).

The product of its digits is 42674688, while the sum is 63.

The spelling of 136897767144 in words is "one hundred thirty-six billion, eight hundred ninety-seven million, seven hundred sixty-seven thousand, one hundred forty-four".