136383515669 has 2 divisors, whose sum is σ = 136383515670. Its totient is φ = 136383515668.

The previous prime is 136383515659. The next prime is 136383515683. The reversal of 136383515669 is 966515383631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80805453169 + 55578062500 = 284263^2 + 235750^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136383515669 is a prime.

It is a super-2 number, since 2×136383515669² (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 (136383515659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68191757834 + 68191757835.

It is an arithmetic number, because the mean of its divisors is an integer number (68191757835).

Almost surely, 2^136383515669 is an apocalyptic number.

It is an amenable number.

136383515669 is a deficient number, since it is larger than the sum of its proper divisors (1).

136383515669 is an equidigital number, since it uses as much as digits as its factorization.

136383515669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10497600, while the sum is 56.

The spelling of 136383515669 in words is "one hundred thirty-six billion, three hundred eighty-three million, five hundred fifteen thousand, six hundred sixty-nine".