292139 has 4 divisors (see below), whose sum is σ = 293280. Its totient is φ = 291000.

The previous prime is 292133. The next prime is 292141. The reversal of 292139 is 931292.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-292139 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 292139.

It is not an unprimeable number, because it can be changed into a prime (292133) 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, 14 + ... + 764.

It is an arithmetic number, because the mean of its divisors is an integer number (73320).

2²⁹²¹³⁹ is an apocalyptic number.

292139 is a deficient number, since it is larger than the sum of its proper divisors (1141).

292139 is an equidigital number, since it uses as much as digits as its factorization.

292139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1140.

The product of its digits is 972, while the sum is 26.

The square root of 292139 is about 540.4988436620. The cubic root of 292139 is about 66.3533997073.

The spelling of 292139 in words is "two hundred ninety-two thousand, one hundred thirty-nine".