3139725297 has 16 divisors (see below), whose sum is σ = 4273505280. Its totient is φ = 2049818832.

The previous prime is 3139725287. The next prime is 3139725299. The reversal of 3139725297 is 7925279313.

It is not a de Polignac number, because 3139725297 - 2⁶ = 3139725233 is a prime.

It is a super-3 number, since 3×3139725297³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (3139725299) 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, 12828 + ... + 80274.

It is an arithmetic number, because the mean of its divisors is an integer number (267094080).

Almost surely, 2^3139725297 is an apocalyptic number.

It is an amenable number.

3139725297 is a deficient number, since it is larger than the sum of its proper divisors (1133779983).

3139725297 is a wasteful number, since it uses less digits than its factorization.

3139725297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67772.

The product of its digits is 714420, while the sum is 48.

The square root of 3139725297 is about 56033.2517082491. The cubic root of 3139725297 is about 1464.3016465204.

The spelling of 3139725297 in words is "three billion, one hundred thirty-nine million, seven hundred twenty-five thousand, two hundred ninety-seven".