3138907499 has 16 divisors (see below), whose sum is σ = 3866016000. Its totient is φ = 2481766560.

The previous prime is 3138907493. The next prime is 3138907501. The reversal of 3138907499 is 9947098313.

It is a happy number.

It is not a de Polignac number, because 3138907499 - 2⁸ = 3138907243 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3138907499.

It is not an unprimeable number, because it can be changed into a prime (3138907493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124904 + ... + 147914.

It is an arithmetic number, because the mean of its divisors is an integer number (241626000).

Almost surely, 2^3138907499 is an apocalyptic number.

3138907499 is a deficient number, since it is larger than the sum of its proper divisors (727108501).

3138907499 is a wasteful number, since it uses less digits than its factorization.

3138907499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24530.

The product of its (nonzero) digits is 1469664, while the sum is 53.

The square root of 3138907499 is about 56025.9537982175. The cubic root of 3138907499 is about 1464.1745009020.

The spelling of 3138907499 in words is "three billion, one hundred thirty-eight million, nine hundred seven thousand, four hundred ninety-nine".