188634386250136 has 16 divisors (see below), whose sum is σ = 353691129097440. Its totient is φ = 94316751824160.

The previous prime is 188634386250113. The next prime is 188634386250157. The reversal of 188634386250136 is 631052683436881.

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, 53342416 + ... + 56768671.

It is an arithmetic number, because the mean of its divisors is an integer number (22105695568590).

Almost surely, 2^{188634386250136} is an apocalyptic number.

It is an amenable number.

188634386250136 is a deficient number, since it is larger than the sum of its proper divisors (165056742847304).

188634386250136 is a wasteful number, since it uses less digits than its factorization.

188634386250136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110325234 (or 110325230 counting only the distinct ones).

The product of its (nonzero) digits is 119439360, while the sum is 64.

The spelling of 188634386250136 in words is "one hundred eighty-eight trillion, six hundred thirty-four billion, three hundred eighty-six million, two hundred fifty thousand, one hundred thirty-six".