102911138 has 8 divisors (see below), whose sum is σ = 168400080. Its totient is φ = 46777780.

The previous prime is 102911113. The next prime is 102911161. The reversal of 102911138 is 831119201.

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

It is a Curzon 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, 2338868 + ... + 2338911.

It is an arithmetic number, because the mean of its divisors is an integer number (21050010).

Almost surely, 2^102911138 is an apocalyptic number.

102911138 is a deficient number, since it is larger than the sum of its proper divisors (65488942).

102911138 is a wasteful number, since it uses less digits than its factorization.

102911138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4677792.

The product of its (nonzero) digits is 432, while the sum is 26.

The square root of 102911138 is about 10144.5127039203. The cubic root of 102911138 is about 468.6199718040.

It can be divided in two parts, 1029 and 11138, that added together give a cube (12167 = 23³).

The spelling of 102911138 in words is "one hundred two million, nine hundred eleven thousand, one hundred thirty-eight".