3138922794 has 32 divisors (see below), whose sum is σ = 7406125056. Its totient is φ = 867904560.

The previous prime is 3138922757. The next prime is 3138922847. The reversal of 3138922794 is 4972298313.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1204122 + ... + 1206725.

It is an arithmetic number, because the mean of its divisors is an integer number (231441408).

Almost surely, 2^3138922794 is an apocalyptic number.

3138922794 is an abundant number, since it is smaller than the sum of its proper divisors (4267202262).

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

3138922794 is a wasteful number, since it uses less digits than its factorization.

3138922794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2410890.

The product of its digits is 653184, while the sum is 48.

The square root of 3138922794 is about 56026.0902972892. The cubic root of 3138922794 is about 1464.1768790662.

The spelling of 3138922794 in words is "three billion, one hundred thirty-eight million, nine hundred twenty-two thousand, seven hundred ninety-four".