326139413 has 8 divisors (see below), whose sum is σ = 330852480. Its totient is φ = 321441120.

The previous prime is 326139409. The next prime is 326139419. The reversal of 326139413 is 314931623.

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 326139413 - 2² = 326139409 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 326139413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326139419) 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, 45398 + ... + 52088.

It is an arithmetic number, because the mean of its divisors is an integer number (41356560).

Almost surely, 2^326139413 is an apocalyptic number.

It is an amenable number.

326139413 is a deficient number, since it is larger than the sum of its proper divisors (4713067).

326139413 is an equidigital number, since it uses as much as digits as its factorization.

326139413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7387.

The product of its digits is 11664, while the sum is 32.

The square root of 326139413 is about 18059.3303585709. The cubic root of 326139413 is about 688.3369688842.

The spelling of 326139413 in words is "three hundred twenty-six million, one hundred thirty-nine thousand, four hundred thirteen".