136692329 has 2 divisors, whose sum is σ = 136692330. Its totient is φ = 136692328.

The previous prime is 136692323. The next prime is 136692331. The reversal of 136692329 is 923296631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80066704 + 56625625 = 8948^2 + 7525^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136692329 is a prime.

Together with 136692331, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (136692323) by changing a digit.

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, 68346164 + 68346165.

It is an arithmetic number, because the mean of its divisors is an integer number (68346165).

Almost surely, 2^136692329 is an apocalyptic number.

It is an amenable number.

136692329 is a deficient number, since it is larger than the sum of its proper divisors (1).

136692329 is an equidigital number, since it uses as much as digits as its factorization.

136692329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 104976, while the sum is 41.

The square root of 136692329 is about 11691.5494695956. The cubic root of 136692329 is about 515.1274752779.

The spelling of 136692329 in words is "one hundred thirty-six million, six hundred ninety-two thousand, three hundred twenty-nine".