3139903492 has 24 divisors (see below), whose sum is σ = 6140568672. Its totient is φ = 1392417600.

The previous prime is 3139903471. The next prime is 3139903493. The reversal of 3139903492 is 2943099313.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3139903493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 868458 + ... + 872065.

It is an arithmetic number, because the mean of its divisors is an integer number (255857028).

Almost surely, 2^3139903492 is an apocalyptic number.

It is an amenable number.

3139903492 is a deficient number, since it is larger than the sum of its proper divisors (3000665180).

3139903492 is a wasteful number, since it uses less digits than its factorization.

3139903492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1740579 (or 1740577 counting only the distinct ones).

The product of its (nonzero) digits is 157464, while the sum is 43.

The square root of 3139903492 is about 56034.8417683141. The cubic root of 3139903492 is about 1464.3293481260.

The spelling of 3139903492 in words is "three billion, one hundred thirty-nine million, nine hundred three thousand, four hundred ninety-two".