326139 has 8 divisors (see below), whose sum is σ = 474432. Its totient is φ = 197640.

The previous prime is 326119. The next prime is 326141. The reversal of 326139 is 931623.

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

It is not a de Polignac number, because 326139 - 2⁸ = 325883 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 326139.

It is not an unprimeable number, because it can be changed into a prime (326119) 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, 4909 + ... + 4974.

It is an arithmetic number, because the mean of its divisors is an integer number (59304).

2³²⁶¹³⁹ is an apocalyptic number.

326139 is a deficient number, since it is larger than the sum of its proper divisors (148293).

326139 is a wasteful number, since it uses less digits than its factorization.

326139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9897.

The product of its digits is 972, while the sum is 24.

The square root of 326139 is about 571.0858079133. The cubic root of 326139 is about 68.8336678330.

It can be divided in two parts, 326 and 139, that added together give a triangular number (465 = T₃₀).

The spelling of 326139 in words is "three hundred twenty-six thousand, one hundred thirty-nine".