3157638886139 has 2 divisors, whose sum is σ = 3157638886140. Its totient is φ = 3157638886138.

The previous prime is 3157638886097. The next prime is 3157638886153. The reversal of 3157638886139 is 9316888367513.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3157638886139 - 2⁸ = 3157638885883 is a prime.

It is not a weakly prime, because it can be changed into another prime (3157638886739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1578819443069 + 1578819443070.

It is an arithmetic number, because the mean of its divisors is an integer number (1578819443070).

Almost surely, 2^{3157638886139} is an apocalyptic number.

3157638886139 is a deficient number, since it is larger than the sum of its proper divisors (1).

3157638886139 is an equidigital number, since it uses as much as digits as its factorization.

3157638886139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 156764160, while the sum is 68.

The spelling of 3157638886139 in words is "three trillion, one hundred fifty-seven billion, six hundred thirty-eight million, eight hundred eighty-six thousand, one hundred thirty-nine".