137637512851 has 2 divisors, whose sum is σ = 137637512852. Its totient is φ = 137637512850.

The previous prime is 137637512843. The next prime is 137637512861. The reversal of 137637512851 is 158215736731.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 137637512851 - 2³ = 137637512843 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 137637512795 and 137637512804.

It is not a weakly prime, because it can be changed into another prime (137637512861) 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 as a sum of consecutive naturals, namely, 68818756425 + 68818756426.

It is an arithmetic number, because the mean of its divisors is an integer number (68818756426).

Almost surely, 2^137637512851 is an apocalyptic number.

137637512851 is a deficient number, since it is larger than the sum of its proper divisors (1).

137637512851 is an equidigital number, since it uses as much as digits as its factorization.

137637512851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1058400, while the sum is 49.

The spelling of 137637512851 in words is "one hundred thirty-seven billion, six hundred thirty-seven million, five hundred twelve thousand, eight hundred fifty-one".