136876674162251 has 2 divisors, whose sum is σ = 136876674162252. Its totient is φ = 136876674162250.

The previous prime is 136876674162233. The next prime is 136876674162253. The reversal of 136876674162251 is 152261476678631.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136876674162251 is a prime.

Together with 136876674162253, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (136876674162253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68438337081125 + 68438337081126.

It is an arithmetic number, because the mean of its divisors is an integer number (68438337081126).

Almost surely, 2^{136876674162251} is an apocalyptic number.

136876674162251 is a deficient number, since it is larger than the sum of its proper divisors (1).

136876674162251 is an equidigital number, since it uses as much as digits as its factorization.

136876674162251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 121927680, while the sum is 65.

The spelling of 136876674162251 in words is "one hundred thirty-six trillion, eight hundred seventy-six billion, six hundred seventy-four million, one hundred sixty-two thousand, two hundred fifty-one".