136372393 has 8 divisors (see below), whose sum is σ = 141834176. Its totient is φ = 131014800.

The previous prime is 136372361. The next prime is 136372409. The reversal of 136372393 is 393273631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 136372393 - 2⁵ = 136372361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136372693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23373 + ... + 28618.

It is an arithmetic number, because the mean of its divisors is an integer number (17729272).

Almost surely, 2^136372393 is an apocalyptic number.

It is an amenable number.

136372393 is a deficient number, since it is larger than the sum of its proper divisors (5461783).

136372393 is an equidigital number, since it uses as much as digits as its factorization.

136372393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52095.

The product of its digits is 61236, while the sum is 37.

The square root of 136372393 is about 11677.8590931729. The cubic root of 136372393 is about 514.7252664800.

The spelling of 136372393 in words is "one hundred thirty-six million, three hundred seventy-two thousand, three hundred ninety-three".