189336413 has 4 divisors (see below), whose sum is σ = 216384480. Its totient is φ = 162288348.

The previous prime is 189336409. The next prime is 189336421. The reversal of 189336413 is 314633981.

It is a happy number.

189336413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 314633981 = 271 ⋅1161011.

It is a cyclic number.

It is not a de Polignac number, because 189336413 - 2² = 189336409 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189336473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13524023 + ... + 13524036.

It is an arithmetic number, because the mean of its divisors is an integer number (54096120).

Almost surely, 2^189336413 is an apocalyptic number.

It is an amenable number.

189336413 is a deficient number, since it is larger than the sum of its proper divisors (27048067).

189336413 is an equidigital number, since it uses as much as digits as its factorization.

189336413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27048066.

The product of its digits is 46656, while the sum is 38.

The square root of 189336413 is about 13759.9568676650. The cubic root of 189336413 is about 574.2196476742.

The spelling of 189336413 in words is "one hundred eighty-nine million, three hundred thirty-six thousand, four hundred thirteen".