136732249 has 2 divisors, whose sum is σ = 136732250. Its totient is φ = 136732248.

The previous prime is 136732243. The next prime is 136732273. The reversal of 136732249 is 942237631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125888400 + 10843849 = 11220^2 + 3293^2 .

It is a cyclic number.

It is not a de Polignac number, because 136732249 - 2⁷ = 136732121 is a prime.

It is not a weakly prime, because it can be changed into another prime (136732243) 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, 68366124 + 68366125.

It is an arithmetic number, because the mean of its divisors is an integer number (68366125).

Almost surely, 2^136732249 is an apocalyptic number.

It is an amenable number.

136732249 is a deficient number, since it is larger than the sum of its proper divisors (1).

136732249 is an equidigital number, since it uses as much as digits as its factorization.

136732249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 37.

The square root of 136732249 is about 11693.2565609414. The cubic root of 136732249 is about 515.1776168073.

The spelling of 136732249 in words is "one hundred thirty-six million, seven hundred thirty-two thousand, two hundred forty-nine".