136354315729 has 2 divisors, whose sum is σ = 136354315730. Its totient is φ = 136354315728.

The previous prime is 136354315673. The next prime is 136354315759. The reversal of 136354315729 is 927513453631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71423631504 + 64930684225 = 267252^2 + 254815^2 .

It is a cyclic number.

It is not a de Polignac number, because 136354315729 - 2¹⁷ = 136354184657 is a prime.

It is not a weakly prime, because it can be changed into another prime (136354315759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68177157864 + 68177157865.

It is an arithmetic number, because the mean of its divisors is an integer number (68177157865).

Almost surely, 2^136354315729 is an apocalyptic number.

It is an amenable number.

136354315729 is a deficient number, since it is larger than the sum of its proper divisors (1).

136354315729 is an equidigital number, since it uses as much as digits as its factorization.

136354315729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2041200, while the sum is 49.

The spelling of 136354315729 in words is "one hundred thirty-six billion, three hundred fifty-four million, three hundred fifteen thousand, seven hundred twenty-nine".