352139 has 4 divisors (see below), whose sum is σ = 353424. Its totient is φ = 350856.

The previous prime is 352133. The next prime is 352181. The reversal of 352139 is 931253.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 931253 = 37 ⋅25169.

It is a cyclic number.

It is not a de Polignac number, because 352139 - 2⁴ = 352123 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 352139.

It is not an unprimeable number, because it can be changed into a prime (352133) 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, 47 + ... + 840.

It is an arithmetic number, because the mean of its divisors is an integer number (88356).

2³⁵²¹³⁹ is an apocalyptic number.

352139 is a deficient number, since it is larger than the sum of its proper divisors (1285).

352139 is an equidigital number, since it uses as much as digits as its factorization.

352139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284.

The product of its digits is 810, while the sum is 23.

The square root of 352139 is about 593.4130096316. The cubic root of 352139 is about 70.6162593929.

The spelling of 352139 in words is "three hundred fifty-two thousand, one hundred thirty-nine".