136138137185 has 8 divisors (see below), whose sum is σ = 171963962880. Its totient is φ = 103178377584.

The previous prime is 136138137139. The next prime is 136138137193. The reversal of 136138137185 is 581731831631.

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

It is a cyclic number.

It is not a de Polignac number, because 136138137185 - 2²⁶ = 136071028321 is a prime.

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, 716516417 + ... + 716516606.

It is an arithmetic number, because the mean of its divisors is an integer number (21495495360).

Almost surely, 2^136138137185 is an apocalyptic number.

It is an amenable number.

136138137185 is a deficient number, since it is larger than the sum of its proper divisors (35825825695).

136138137185 is a wasteful number, since it uses less digits than its factorization.

136138137185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1433033047.

The product of its digits is 362880, while the sum is 47.

The spelling of 136138137185 in words is "one hundred thirty-six billion, one hundred thirty-eight million, one hundred thirty-seven thousand, one hundred eighty-five".