103139812902 has 16 divisors (see below), whose sum is σ = 235748143872. Its totient is φ = 29468517960.

The previous prime is 103139812873. The next prime is 103139812903. The reversal of 103139812902 is 209218931301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103139812903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1227854874 + ... + 1227854957.

It is an arithmetic number, because the mean of its divisors is an integer number (14734258992).

Almost surely, 2^103139812902 is an apocalyptic number.

103139812902 is an abundant number, since it is smaller than the sum of its proper divisors (132608330970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103139812902 is a wasteful number, since it uses less digits than its factorization.

103139812902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2455709843.

The product of its (nonzero) digits is 23328, while the sum is 39.

The spelling of 103139812902 in words is "one hundred three billion, one hundred thirty-nine million, eight hundred twelve thousand, nine hundred two".