136791157 has 2 divisors, whose sum is σ = 136791158. Its totient is φ = 136791156.

The previous prime is 136791119. The next prime is 136791167. The reversal of 136791157 is 751197631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117483921 + 19307236 = 10839^2 + 4394^2 .

It is a cyclic number.

It is not a de Polignac number, because 136791157 - 2¹⁵ = 136758389 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136791167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68395578 + 68395579.

It is an arithmetic number, because the mean of its divisors is an integer number (68395579).

Almost surely, 2^136791157 is an apocalyptic number.

It is an amenable number.

136791157 is a deficient number, since it is larger than the sum of its proper divisors (1).

136791157 is an equidigital number, since it uses as much as digits as its factorization.

136791157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 39690, while the sum is 40.

The square root of 136791157 is about 11695.7751773878. The cubic root of 136791157 is about 515.2515903969.

The spelling of 136791157 in words is "one hundred thirty-six million, seven hundred ninety-one thousand, one hundred fifty-seven".