136367306729 has 2 divisors, whose sum is σ = 136367306730. Its totient is φ = 136367306728.

The previous prime is 136367306701. The next prime is 136367306741. The reversal of 136367306729 is 927603763631.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96688658704 + 39678648025 = 310948^2 + 199195^2 .

It is a cyclic number.

It is not a de Polignac number, because 136367306729 - 2³² = 132072339433 is a prime.

It is not a weakly prime, because it can be changed into another prime (136366306729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68183653364 + 68183653365.

It is an arithmetic number, because the mean of its divisors is an integer number (68183653365).

Almost surely, 2^136367306729 is an apocalyptic number.

It is an amenable number.

136367306729 is a deficient number, since it is larger than the sum of its proper divisors (1).

136367306729 is an equidigital number, since it uses as much as digits as its factorization.

136367306729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5143824, while the sum is 53.

The spelling of 136367306729 in words is "one hundred thirty-six billion, three hundred sixty-seven million, three hundred six thousand, seven hundred twenty-nine".