136775258 has 4 divisors (see below), whose sum is σ = 205162890. Its totient is φ = 68387628.

The previous prime is 136775239. The next prime is 136775263. The reversal of 136775258 is 852577631.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 852577631 = 8167 ⋅104393.

It can be written as a sum of positive squares in only one way, i.e., 107474689 + 29300569 = 10367^2 + 5413^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 34193813 + ... + 34193816.

Almost surely, 2^136775258 is an apocalyptic number.

136775258 is a deficient number, since it is larger than the sum of its proper divisors (68387632).

136775258 is an equidigital number, since it uses as much as digits as its factorization.

136775258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68387631.

The product of its digits is 352800, while the sum is 44.

The square root of 136775258 is about 11695.0954677591. The cubic root of 136775258 is about 515.2316273559.

The spelling of 136775258 in words is "one hundred thirty-six million, seven hundred seventy-five thousand, two hundred fifty-eight".