3120136357 has 12 divisors (see below), whose sum is σ = 3546309900. Its totient is φ = 2728536192.

The previous prime is 3120136343. The next prime is 3120136379. The reversal of 3120136357 is 7536310213.

3120136357 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 138321121 + 2981815236 = 11761^2 + 54606^2 .

It is a de Polignac number, because none of the positive numbers 2^k-3120136357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3120136307) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 327732 + ... + 337117.

It is an arithmetic number, because the mean of its divisors is an integer number (295525825).

Almost surely, 2^3120136357 is an apocalyptic number.

It is an amenable number.

3120136357 is a deficient number, since it is larger than the sum of its proper divisors (426173543).

3120136357 is a wasteful number, since it uses less digits than its factorization.

3120136357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664900 (or 664881 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 3120136357 is about 55858.1807526883. The cubic root of 3120136357 is about 1461.2500017636.

The spelling of 3120136357 in words is "three billion, one hundred twenty million, one hundred thirty-six thousand, three hundred fifty-seven".