136632432509 has 2 divisors, whose sum is σ = 136632432510. Its totient is φ = 136632432508.

The previous prime is 136632432449. The next prime is 136632432569. The reversal of 136632432509 is 905234236631.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (136632432449) and next prime (136632432569).

It can be written as a sum of positive squares in only one way, i.e., 74745919609 + 61886512900 = 273397^2 + 248770^2 .

It is a cyclic number.

It is not a de Polignac number, because 136632432509 - 2⁸ = 136632432253 is a prime.

It is a super-2 number, since 2×136632432509² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 136632432509.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136632432569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68316216254 + 68316216255.

It is an arithmetic number, because the mean of its divisors is an integer number (68316216255).

Almost surely, 2^136632432509 is an apocalyptic number.

It is an amenable number.

136632432509 is a deficient number, since it is larger than the sum of its proper divisors (1).

136632432509 is an equidigital number, since it uses as much as digits as its factorization.

136632432509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 699840, while the sum is 44.

The spelling of 136632432509 in words is "one hundred thirty-six billion, six hundred thirty-two million, four hundred thirty-two thousand, five hundred nine".