136185582971 has 2 divisors, whose sum is σ = 136185582972. Its totient is φ = 136185582970.

The previous prime is 136185582943. The next prime is 136185583019. The reversal of 136185582971 is 179285581631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 136185582971 - 2²² = 136181388667 is a prime.

It is a super-2 number, since 2×136185582971² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (136185582901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68092791485 + 68092791486.

It is an arithmetic number, because the mean of its divisors is an integer number (68092791486).

Almost surely, 2^136185582971 is an apocalyptic number.

136185582971 is a deficient number, since it is larger than the sum of its proper divisors (1).

136185582971 is an equidigital number, since it uses as much as digits as its factorization.

136185582971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3628800, while the sum is 56.

The spelling of 136185582971 in words is "one hundred thirty-six billion, one hundred eighty-five million, five hundred eighty-two thousand, nine hundred seventy-one".