3138710938 has 8 divisors (see below), whose sum is σ = 5136072480. Its totient is φ = 1426686780.

The previous prime is 3138710903. The next prime is 3138710959. The reversal of 3138710938 is 8390178313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 3138710894 and 3138710903.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71334318 + ... + 71334361.

It is an arithmetic number, because the mean of its divisors is an integer number (642009060).

Almost surely, 2^3138710938 is an apocalyptic number.

3138710938 is a deficient number, since it is larger than the sum of its proper divisors (1997361542).

3138710938 is a wasteful number, since it uses less digits than its factorization.

3138710938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142668692.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 3138710938 is about 56024.1995748266. The cubic root of 3138710938 is about 1464.1439376554.

The spelling of 3138710938 in words is "three billion, one hundred thirty-eight million, seven hundred ten thousand, nine hundred thirty-eight".