136814667 has 16 divisors (see below), whose sum is σ = 200278272. Its totient is φ = 82386720.

The previous prime is 136814659. The next prime is 136814707. The reversal of 136814667 is 766418631.

It is not a de Polignac number, because 136814667 - 2³ = 136814659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (136814647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8023 + ... + 18384.

It is an arithmetic number, because the mean of its divisors is an integer number (12517392).

Almost surely, 2^136814667 is an apocalyptic number.

136814667 is a deficient number, since it is larger than the sum of its proper divisors (63463605).

136814667 is a wasteful number, since it uses less digits than its factorization.

136814667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26578.

The product of its digits is 145152, while the sum is 42.

The square root of 136814667 is about 11696.7801979861. The cubic root of 136814667 is about 515.2811070978.

The spelling of 136814667 in words is "one hundred thirty-six million, eight hundred fourteen thousand, six hundred sixty-seven".