3136870845 has 48 divisors (see below), whose sum is σ = 5594530032. Its totient is φ = 1624965120.

The previous prime is 3136870747. The next prime is 3136870853. The reversal of 3136870845 is 5480786313.

It can be written as a sum of positive squares in 8 ways, for example, as 980754489 + 2156116356 = 31317^2 + 46434^2 .

It is not a de Polignac number, because 3136870845 - 2⁸ = 3136870589 is a prime.

It is a super-2 number, since 2×3136870845² = 19679917396422028050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 3136870845.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 426237 + ... + 433533.

It is an arithmetic number, because the mean of its divisors is an integer number (116552709).

Almost surely, 2^3136870845 is an apocalyptic number.

It is an amenable number.

3136870845 is a deficient number, since it is larger than the sum of its proper divisors (2457659187).

3136870845 is a wasteful number, since it uses less digits than its factorization.

3136870845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7582 (or 7579 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 3136870845 is about 56007.7748620671. The cubic root of 3136870845 is about 1463.8577599085.

The spelling of 3136870845 in words is "three billion, one hundred thirty-six million, eight hundred seventy thousand, eight hundred forty-five".