238134902636 has 24 divisors (see below), whose sum is σ = 417351451440. Its totient is φ = 118891763712.

The previous prime is 238134902611. The next prime is 238134902641. The reversal of 238134902636 is 636209431832.

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, 7817411 + ... + 7847813.

It is an arithmetic number, because the mean of its divisors is an integer number (17389643810).

Almost surely, 2^238134902636 is an apocalyptic number.

It is an amenable number.

238134902636 is a deficient number, since it is larger than the sum of its proper divisors (179216548804).

238134902636 is a wasteful number, since it uses less digits than its factorization.

238134902636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33233 (or 33231 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 47.

The spelling of 238134902636 in words is "two hundred thirty-eight billion, one hundred thirty-four million, nine hundred two thousand, six hundred thirty-six".