4139101902 has 48 divisors (see below), whose sum is σ = 8962082640. Its totient is φ = 1266875904.

The previous prime is 4139101891. The next prime is 4139101913. The reversal of 4139101902 is 2091019314.

It is an interprime number because it is at equal distance from previous prime (4139101891) and next prime (4139101913).

It is a self number, because there is not a number n which added to its sum of digits gives 4139101902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4454974 + ... + 4455902.

It is an arithmetic number, because the mean of its divisors is an integer number (186710055).

Almost surely, 2^4139101902 is an apocalyptic number.

4139101902 is an abundant number, since it is smaller than the sum of its proper divisors (4822980738).

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

4139101902 is a wasteful number, since it uses less digits than its factorization.

4139101902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425 (or 1186 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 4139101902 is about 64335.8523841878. The cubic root of 4139101902 is about 1605.5926554244.

It can be divided in two parts, 4139101 and 902, that added together give a triangular number (4140003 = T₂₈₇₇).

The spelling of 4139101902 in words is "four billion, one hundred thirty-nine million, one hundred one thousand, nine hundred two".