136674427 has 2 divisors, whose sum is σ = 136674428. Its totient is φ = 136674426.

The previous prime is 136674413. The next prime is 136674457. The reversal of 136674427 is 724476631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 136674427 - 2¹⁹ = 136150139 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 136674427.

It is not a weakly prime, because it can be changed into another prime (136674457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68337213 + 68337214.

It is an arithmetic number, because the mean of its divisors is an integer number (68337214).

Almost surely, 2^136674427 is an apocalyptic number.

136674427 is a deficient number, since it is larger than the sum of its proper divisors (1).

136674427 is an equidigital number, since it uses as much as digits as its factorization.

136674427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 169344, while the sum is 40.

The square root of 136674427 is about 11690.7838488272. The cubic root of 136674427 is about 515.1049862942.

The spelling of 136674427 in words is "one hundred thirty-six million, six hundred seventy-four thousand, four hundred twenty-seven".