136904567 has 2 divisors, whose sum is σ = 136904568. Its totient is φ = 136904566.

The previous prime is 136904531. The next prime is 136904611. The reversal of 136904567 is 765409631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 136904567 - 2¹² = 136900471 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 (136904507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68452283 + 68452284.

It is an arithmetic number, because the mean of its divisors is an integer number (68452284).

Almost surely, 2^136904567 is an apocalyptic number.

136904567 is a deficient number, since it is larger than the sum of its proper divisors (1).

136904567 is an equidigital number, since it uses as much as digits as its factorization.

136904567 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 136904567 is about 11700.6225048072. The cubic root of 136904567 is about 515.3939449728.

The spelling of 136904567 in words is "one hundred thirty-six million, nine hundred four thousand, five hundred sixty-seven".