3138935998 has 32 divisors (see below), whose sum is σ = 5504163840. Its totient is φ = 1326668160.

The previous prime is 3138935977. The next prime is 3138935999. The reversal of 3138935998 is 8995398313.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3138935999) 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, 19518 + ... + 81601.

It is an arithmetic number, because the mean of its divisors is an integer number (172005120).

Almost surely, 2^3138935998 is an apocalyptic number.

3138935998 is a deficient number, since it is larger than the sum of its proper divisors (2365227842).

3138935998 is a wasteful number, since it uses less digits than its factorization.

3138935998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101232.

The product of its digits is 6298560, while the sum is 58.

The square root of 3138935998 is about 56026.2081351219. The cubic root of 3138935998 is about 1464.1789321022.

The spelling of 3138935998 in words is "three billion, one hundred thirty-eight million, nine hundred thirty-five thousand, nine hundred ninety-eight".