3137145680 has 20 divisors (see below), whose sum is σ = 7293863892. Its totient is φ = 1254858240.

The previous prime is 3137145619. The next prime is 3137145701. The reversal of 3137145680 is 865417313.

It can be written as a sum of positive squares in 2 ways, for example, as 1365745936 + 1771399744 = 36956^2 + 42088^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19607081 + ... + 19607240.

Almost surely, 2^3137145680 is an apocalyptic number.

It is an amenable number.

3137145680 is an abundant number, since it is smaller than the sum of its proper divisors (4156718212).

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

3137145680 is a wasteful number, since it uses less digits than its factorization.

3137145680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39214334 (or 39214328 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 3137145680 is about 56010.2283516145. The cubic root of 3137145680 is about 1463.9005103243.

The spelling of 3137145680 in words is "three billion, one hundred thirty-seven million, one hundred forty-five thousand, six hundred eighty".