136801334669 has 2 divisors, whose sum is σ = 136801334670. Its totient is φ = 136801334668.

The previous prime is 136801334611. The next prime is 136801334741. The reversal of 136801334669 is 966433108631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69129555625 + 67671779044 = 262925^2 + 260138^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136801334669 is a prime.

It is a super-2 number, since 2×136801334669² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136801334069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68400667334 + 68400667335.

It is an arithmetic number, because the mean of its divisors is an integer number (68400667335).

Almost surely, 2^136801334669 is an apocalyptic number.

It is an amenable number.

136801334669 is a deficient number, since it is larger than the sum of its proper divisors (1).

136801334669 is an equidigital number, since it uses as much as digits as its factorization.

136801334669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1679616, while the sum is 50.

The spelling of 136801334669 in words is "one hundred thirty-six billion, eight hundred one million, three hundred thirty-four thousand, six hundred sixty-nine".