136639273398 has 32 divisors (see below), whose sum is σ = 276735747456. Its totient is φ = 44970878208.

The previous prime is 136639273373. The next prime is 136639273411. The reversal of 136639273398 is 893372936631.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 764265 + ... + 925947.

It is an arithmetic number, because the mean of its divisors is an integer number (8647992108).

Almost surely, 2^136639273398 is an apocalyptic number.

136639273398 is an abundant number, since it is smaller than the sum of its proper divisors (140096474058).

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

136639273398 is a wasteful number, since it uses less digits than its factorization.

136639273398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163468.

The product of its digits is 26453952, while the sum is 60.

The spelling of 136639273398 in words is "one hundred thirty-six billion, six hundred thirty-nine million, two hundred seventy-three thousand, three hundred ninety-eight".