136412329 has 2 divisors, whose sum is σ = 136412330. Its totient is φ = 136412328.

The previous prime is 136412327. The next prime is 136412359. The reversal of 136412329 is 923214631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 127170729 + 9241600 = 11277^2 + 3040^2 .

It is a cyclic number.

It is not a de Polignac number, because 136412329 - 2¹ = 136412327 is a prime.

Together with 136412327, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 136412329.

It is not a weakly prime, because it can be changed into another prime (136412327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68206164 + 68206165.

It is an arithmetic number, because the mean of its divisors is an integer number (68206165).

Almost surely, 2^136412329 is an apocalyptic number.

It is an amenable number.

136412329 is a deficient number, since it is larger than the sum of its proper divisors (1).

136412329 is an equidigital number, since it uses as much as digits as its factorization.

136412329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 31.

The square root of 136412329 is about 11679.5688704678. The cubic root of 136412329 is about 514.7755065164.

The spelling of 136412329 in words is "one hundred thirty-six million, four hundred twelve thousand, three hundred twenty-nine".