3138990100 has 18 divisors (see below), whose sum is σ = 6811608734. Its totient is φ = 1255596000.

The previous prime is 3138990097. The next prime is 3138990103. The reversal of 3138990100 is 10998313.

It is an interprime number because it is at equal distance from previous prime (3138990097) and next prime (3138990103).

It can be written as a sum of positive squares in 3 ways, for example, as 497646864 + 2641343236 = 22308^2 + 51394^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3138990103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15694851 + ... + 15695050.

Almost surely, 2^3138990100 is an apocalyptic number.

It is an amenable number.

3138990100 is an abundant number, since it is smaller than the sum of its proper divisors (3672618634).

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

3138990100 is a wasteful number, since it uses less digits than its factorization.

3138990100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31389915 (or 31389908 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 3138990100 is about 56026.6909606484. The cubic root of 3138990100 is about 1464.1873441410.

The spelling of 3138990100 in words is "three billion, one hundred thirty-eight million, nine hundred ninety thousand, one hundred".