368555138 has 32 divisors (see below), whose sum is σ = 674137728. Its totient is φ = 147513600.

The previous prime is 368555137. The next prime is 368555149. The reversal of 368555138 is 831555863.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (368555137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25268 + ... + 37088.

It is an arithmetic number, because the mean of its divisors is an integer number (21066804).

Almost surely, 2^368555138 is an apocalyptic number.

368555138 is a deficient number, since it is larger than the sum of its proper divisors (305582590).

368555138 is a wasteful number, since it uses less digits than its factorization.

368555138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11978.

The product of its digits is 432000, while the sum is 44.

The square root of 368555138 is about 19197.7899248846. The cubic root of 368555138 is about 716.9697348317.

The spelling of 368555138 in words is "three hundred sixty-eight million, five hundred fifty-five thousand, one hundred thirty-eight".