3151637138 has 16 divisors (see below), whose sum is σ = 5117769216. Its totient is φ = 1446983760.

The previous prime is 3151637131. The next prime is 3151637149. The reversal of 3151637138 is 8317361513.

It is not an unprimeable number, because it can be changed into a prime (3151637131) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 312356 + ... + 322287.

It is an arithmetic number, because the mean of its divisors is an integer number (319860576).

Almost surely, 2^3151637138 is an apocalyptic number.

3151637138 is a deficient number, since it is larger than the sum of its proper divisors (1966132078).

3151637138 is a wasteful number, since it uses less digits than its factorization.

3151637138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634849.

The product of its digits is 45360, while the sum is 38.

The square root of 3151637138 is about 56139.4436915793. The cubic root of 3151637138 is about 1466.1511200301.

The spelling of 3151637138 in words is "three billion, one hundred fifty-one million, six hundred thirty-seven thousand, one hundred thirty-eight".