136526231 has 2 divisors, whose sum is σ = 136526232. Its totient is φ = 136526230.

The previous prime is 136526207. The next prime is 136526249. The reversal of 136526231 is 132625631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 136526231 - 2¹⁸ = 136264087 is a prime.

It is a super-2 number, since 2×136526231² = 37278823502130722, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 136526194 and 136526203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136526281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68263115 + 68263116.

It is an arithmetic number, because the mean of its divisors is an integer number (68263116).

Almost surely, 2^136526231 is an apocalyptic number.

136526231 is a deficient number, since it is larger than the sum of its proper divisors (1).

136526231 is an equidigital number, since it uses as much as digits as its factorization.

136526231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 29.

The square root of 136526231 is about 11684.4439747897. The cubic root of 136526231 is about 514.9187429533.

The spelling of 136526231 in words is "one hundred thirty-six million, five hundred twenty-six thousand, two hundred thirty-one".