136713478238 has 8 divisors (see below), whose sum is σ = 205075758288. Its totient is φ = 68354892144.

The previous prime is 136713478183. The next prime is 136713478261. The reversal of 136713478238 is 832874317631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 136713478238.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 829031 + ... + 980162.

It is an arithmetic number, because the mean of its divisors is an integer number (25634469786).

Almost surely, 2^136713478238 is an apocalyptic number.

136713478238 is a deficient number, since it is larger than the sum of its proper divisors (68362280050).

136713478238 is a wasteful number, since it uses less digits than its factorization.

136713478238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1846978.

The product of its digits is 4064256, while the sum is 53.

The spelling of 136713478238 in words is "one hundred thirty-six billion, seven hundred thirteen million, four hundred seventy-eight thousand, two hundred thirty-eight".