136872767 has 2 divisors, whose sum is σ = 136872768. Its totient is φ = 136872766.

The previous prime is 136872739. The next prime is 136872787. The reversal of 136872767 is 767278631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 136872767 - 2¹² = 136868671 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136872787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68436383 + 68436384.

It is an arithmetic number, because the mean of its divisors is an integer number (68436384).

Almost surely, 2^136872767 is an apocalyptic number.

136872767 is a deficient number, since it is larger than the sum of its proper divisors (1).

136872767 is an equidigital number, since it uses as much as digits as its factorization.

136872767 is an evil number, because the sum of its binary digits is even.

The product of its digits is 592704, while the sum is 47.

The square root of 136872767 is about 11699.2635238292. The cubic root of 136872767 is about 515.3540368895.

The spelling of 136872767 in words is "one hundred thirty-six million, eight hundred seventy-two thousand, seven hundred sixty-seven".