136845329 has 4 divisors (see below), whose sum is σ = 138772800. Its totient is φ = 134917860.

The previous prime is 136845323. The next prime is 136845347. The reversal of 136845329 is 923548631.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 136845329 - 2⁸ = 136845073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136845323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 963629 + ... + 963770.

It is an arithmetic number, because the mean of its divisors is an integer number (34693200).

Almost surely, 2^136845329 is an apocalyptic number.

It is an amenable number.

136845329 is a deficient number, since it is larger than the sum of its proper divisors (1927471).

136845329 is an equidigital number, since it uses as much as digits as its factorization.

136845329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1927470.

The product of its digits is 155520, while the sum is 41.

The square root of 136845329 is about 11698.0908271393. The cubic root of 136845329 is about 515.3195980225.

The spelling of 136845329 in words is "one hundred thirty-six million, eight hundred forty-five thousand, three hundred twenty-nine".