136841566601 has 2 divisors, whose sum is σ = 136841566602. Its totient is φ = 136841566600.

The previous prime is 136841566553. The next prime is 136841566607. The reversal of 136841566601 is 106665148631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80494201225 + 56347365376 = 283715^2 + 237376^2 .

It is a cyclic number.

It is not a de Polignac number, because 136841566601 - 2¹⁴ = 136841550217 is a prime.

It is a super-2 number, since 2×136841566601² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (136841566607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68420783300 + 68420783301.

It is an arithmetic number, because the mean of its divisors is an integer number (68420783301).

Almost surely, 2^136841566601 is an apocalyptic number.

It is an amenable number.

136841566601 is a deficient number, since it is larger than the sum of its proper divisors (1).

136841566601 is an equidigital number, since it uses as much as digits as its factorization.

136841566601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 622080, while the sum is 47.

The spelling of 136841566601 in words is "one hundred thirty-six billion, eight hundred forty-one million, five hundred sixty-six thousand, six hundred one".