136646112488 has 32 divisors (see below), whose sum is σ = 256769109000. Its totient is φ = 68174515200.

The previous prime is 136646112479. The next prime is 136646112509. The reversal of 136646112488 is 884211646631.

It can be written as a sum of positive squares in 4 ways, for example, as 92999381764 + 43646730724 = 304958^2 + 208918^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7297538 + ... + 7316238.

Almost surely, 2^136646112488 is an apocalyptic number.

It is an amenable number.

136646112488 is a deficient number, since it is larger than the sum of its proper divisors (120122996512).

136646112488 is a wasteful number, since it uses less digits than its factorization.

136646112488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20645 (or 20641 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 50.

The spelling of 136646112488 in words is "one hundred thirty-six billion, six hundred forty-six million, one hundred twelve thousand, four hundred eighty-eight".