136277002691 has 2 divisors, whose sum is σ = 136277002692. Its totient is φ = 136277002690.

The previous prime is 136277002663. The next prime is 136277002699. The reversal of 136277002691 is 196200772631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 136277002691 - 2⁶ = 136277002627 is a prime.

It is not a weakly prime, because it can be changed into another prime (136277002699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68138501345 + 68138501346.

It is an arithmetic number, because the mean of its divisors is an integer number (68138501346).

Almost surely, 2^136277002691 is an apocalyptic number.

136277002691 is a deficient number, since it is larger than the sum of its proper divisors (1).

136277002691 is an equidigital number, since it uses as much as digits as its factorization.

136277002691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 190512, while the sum is 44.

The spelling of 136277002691 in words is "one hundred thirty-six billion, two hundred seventy-seven million, two thousand, six hundred ninety-one".