136816246407157 has 2 divisors, whose sum is σ = 136816246407158. Its totient is φ = 136816246407156.

The previous prime is 136816246407103. The next prime is 136816246407193. The reversal of 136816246407157 is 751704642618631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86466918940081 + 50349327467076 = 9298759^2 + 7095726^2 .

It is a cyclic number.

It is not a de Polignac number, because 136816246407157 - 2²⁷ = 136816112189429 is a prime.

It is a super-2 number, since 2×136816246407157² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 136816246407095 and 136816246407104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136813246407157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68408123203578 + 68408123203579.

It is an arithmetic number, because the mean of its divisors is an integer number (68408123203579).

Almost surely, 2^{136816246407157} is an apocalyptic number.

It is an amenable number.

136816246407157 is a deficient number, since it is larger than the sum of its proper divisors (1).

136816246407157 is an equidigital number, since it uses as much as digits as its factorization.

136816246407157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40642560, while the sum is 61.

The spelling of 136816246407157 in words is "one hundred thirty-six trillion, eight hundred sixteen billion, two hundred forty-six million, four hundred seven thousand, one hundred fifty-seven".