3147940539 has 24 divisors (see below), whose sum is σ = 4940748800. Its totient is φ = 1924035120.

The previous prime is 3147940519. The next prime is 3147940559. The reversal of 3147940539 is 9350497413.

3147940539 is a `hidden beast` number, since 3 + 1 + 4 + 79 + 40 + 539 = 666.

It is an interprime number because it is at equal distance from previous prime (3147940519) and next prime (3147940559).

It is a de Polignac number, because none of the positive numbers 2^k-3147940539 is a prime.

It is a super-2 number, since 2×3147940539² = 19819059274159221042, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3147940494 and 3147940503.

It is not an unprimeable number, because it can be changed into a prime (3147940519) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 291619 + ... + 302220.

Almost surely, 2^3147940539 is an apocalyptic number.

3147940539 is a deficient number, since it is larger than the sum of its proper divisors (1792808261).

3147940539 is a wasteful number, since it uses less digits than its factorization.

3147940539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593895 (or 593892 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 45.

The square root of 3147940539 is about 56106.5106649843. The cubic root of 3147940539 is about 1465.5776727619.

The spelling of 3147940539 in words is "three billion, one hundred forty-seven million, nine hundred forty thousand, five hundred thirty-nine".