136813775 has 48 divisors (see below), whose sum is σ = 213081600. Its totient is φ = 84965760.

The previous prime is 136813769. The next prime is 136813777. The reversal of 136813775 is 577318631.

It is not a de Polignac number, because 136813775 - 2⁴ = 136813759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136813777) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 75581 + ... + 77369.

It is an arithmetic number, because the mean of its divisors is an integer number (4439200).

Almost surely, 2^136813775 is an apocalyptic number.

136813775 is a deficient number, since it is larger than the sum of its proper divisors (76267825).

136813775 is a wasteful number, since it uses less digits than its factorization.

136813775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1848 (or 1843 counting only the distinct ones).

The product of its digits is 105840, while the sum is 41.

The square root of 136813775 is about 11696.7420677725. The cubic root of 136813775 is about 515.2799872575.

The spelling of 136813775 in words is "one hundred thirty-six million, eight hundred thirteen thousand, seven hundred seventy-five".