102951497138 has 24 divisors (see below), whose sum is σ = 179766340992. Its totient is φ = 44091004104.

The previous prime is 102951497101. The next prime is 102951497141. The reversal of 102951497138 is 831794159201.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 229670 + ... + 508577.

It is an arithmetic number, because the mean of its divisors is an integer number (7490264208).

Almost surely, 2^102951497138 is an apocalyptic number.

102951497138 is a deficient number, since it is larger than the sum of its proper divisors (76814843854).

102951497138 is a wasteful number, since it uses less digits than its factorization.

102951497138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739686 (or 739679 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 50.

The spelling of 102951497138 in words is "one hundred two billion, nine hundred fifty-one million, four hundred ninety-seven thousand, one hundred thirty-eight".