156346982137 has 2 divisors, whose sum is σ = 156346982138. Its totient is φ = 156346982136.

The previous prime is 156346982063. The next prime is 156346982153. The reversal of 156346982137 is 731289643651.

It is a happy number.

156346982137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 155945220201 + 401761936 = 394899^2 + 20044^2 .

It is a cyclic number.

It is not a de Polignac number, because 156346982137 - 2⁷ = 156346982009 is a prime.

It is not a weakly prime, because it can be changed into another prime (156346982177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78173491068 + 78173491069.

It is an arithmetic number, because the mean of its divisors is an integer number (78173491069).

Almost surely, 2^156346982137 is an apocalyptic number.

It is an amenable number.

156346982137 is a deficient number, since it is larger than the sum of its proper divisors (1).

156346982137 is an equidigital number, since it uses as much as digits as its factorization.

156346982137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6531840, while the sum is 55.

The spelling of 156346982137 in words is "one hundred fifty-six billion, three hundred forty-six million, nine hundred eighty-two thousand, one hundred thirty-seven".