136131142457 has 2 divisors, whose sum is σ = 136131142458. Its totient is φ = 136131142456.

The previous prime is 136131142423. The next prime is 136131142481. The reversal of 136131142457 is 754241131631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122153046016 + 13978096441 = 349504^2 + 118229^2 .

It is a cyclic number.

It is not a de Polignac number, because 136131142457 - 2²⁴ = 136114365241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 136131142457.

It is not a weakly prime, because it can be changed into another prime (136131142057) 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, 68065571228 + 68065571229.

It is an arithmetic number, because the mean of its divisors is an integer number (68065571229).

Almost surely, 2^136131142457 is an apocalyptic number.

It is an amenable number.

136131142457 is a deficient number, since it is larger than the sum of its proper divisors (1).

136131142457 is an equidigital number, since it uses as much as digits as its factorization.

136131142457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 38.

The spelling of 136131142457 in words is "one hundred thirty-six billion, one hundred thirty-one million, one hundred forty-two thousand, four hundred fifty-seven".