3136256380 has 24 divisors (see below), whose sum is σ = 6654040848. Its totient is φ = 1241568768.

The previous prime is 3136256341. The next prime is 3136256393. The reversal of 3136256380 is 836526313.

It is a happy number.

It is a super-2 number, since 2×3136256380² = 19672208162181408800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 806374 + ... + 810253.

It is an arithmetic number, because the mean of its divisors is an integer number (277251702).

Almost surely, 2^3136256380 is an apocalyptic number.

It is an amenable number.

3136256380 is an abundant number, since it is smaller than the sum of its proper divisors (3517784468).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3136256380 is a wasteful number, since it uses less digits than its factorization.

3136256380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1616733 (or 1616731 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 3136256380 is about 56002.2890603590. The cubic root of 3136256380 is about 1463.7621712215.

The spelling of 3136256380 in words is "three billion, one hundred thirty-six million, two hundred fifty-six thousand, three hundred eighty".