136074220743557 has 2 divisors, whose sum is σ = 136074220743558. Its totient is φ = 136074220743556.

The previous prime is 136074220743509. The next prime is 136074220743607. The reversal of 136074220743557 is 755347022470631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99882614468641 + 36191606274916 = 9994129^2 + 6015946^2 .

It is a cyclic number.

It is not a de Polignac number, because 136074220743557 - 2⁸ = 136074220743301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136074225743557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68037110371778 + 68037110371779.

It is an arithmetic number, because the mean of its divisors is an integer number (68037110371779).

Almost surely, 2^{136074220743557} is an apocalyptic number.

It is an amenable number.

136074220743557 is a deficient number, since it is larger than the sum of its proper divisors (1).

136074220743557 is an equidigital number, since it uses as much as digits as its factorization.

136074220743557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29635200, while the sum is 56.

The spelling of 136074220743557 in words is "one hundred thirty-six trillion, seventy-four billion, two hundred twenty million, seven hundred forty-three thousand, five hundred fifty-seven".