136734734088457 has 2 divisors, whose sum is σ = 136734734088458. Its totient is φ = 136734734088456.

The previous prime is 136734734088401. The next prime is 136734734088503. The reversal of 136734734088457 is 754880437437631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76423682980096 + 60311051108361 = 8742064^2 + 7766019^2 .

It is a cyclic number.

It is not a de Polignac number, because 136734734088457 - 2²³ = 136734725699849 is a prime.

It is not a weakly prime, because it can be changed into another prime (136734734083457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68367367044228 + 68367367044229.

It is an arithmetic number, because the mean of its divisors is an integer number (68367367044229).

Almost surely, 2^{136734734088457} is an apocalyptic number.

It is an amenable number.

136734734088457 is a deficient number, since it is larger than the sum of its proper divisors (1).

136734734088457 is an equidigital number, since it uses as much as digits as its factorization.

136734734088457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1137991680, while the sum is 70.

The spelling of 136734734088457 in words is "one hundred thirty-six trillion, seven hundred thirty-four billion, seven hundred thirty-four million, eighty-eight thousand, four hundred fifty-seven".