136632432449 has 2 divisors, whose sum is σ = 136632432450. Its totient is φ = 136632432448.

The previous prime is 136632432427. The next prime is 136632432509. The reversal of 136632432449 is 944234236631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 133029431824 + 3603000625 = 364732^2 + 60025^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136632432449 is a prime.

It is not a weakly prime, because it can be changed into another prime (136632432149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68316216224 + 68316216225.

It is an arithmetic number, because the mean of its divisors is an integer number (68316216225).

Almost surely, 2^136632432449 is an apocalyptic number.

It is an amenable number.

136632432449 is a deficient number, since it is larger than the sum of its proper divisors (1).

136632432449 is an equidigital number, since it uses as much as digits as its factorization.

136632432449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2239488, while the sum is 47.

The spelling of 136632432449 in words is "one hundred thirty-six billion, six hundred thirty-two million, four hundred thirty-two thousand, four hundred forty-nine".