92139 has 4 divisors (see below), whose sum is σ = 122856. Its totient is φ = 61424.

The previous prime is 92119. The next prime is 92143. The reversal of 92139 is 93129.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 92139 - 2⁵ = 92107 is a prime.

It is a D-number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 92139.

It is not an unprimeable number, because it can be changed into a prime (92119) 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, 15354 + ... + 15359.

It is an arithmetic number, because the mean of its divisors is an integer number (30714).

2⁹²¹³⁹ is an apocalyptic number.

92139 is a deficient number, since it is larger than the sum of its proper divisors (30717).

92139 is a wasteful number, since it uses less digits than its factorization.

92139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30716.

The product of its digits is 486, while the sum is 24.

The square root of 92139 is about 303.5440659937. The cubic root of 92139 is about 45.1662982651.

Subtracting 92139 from its reverse (93129), we obtain a triangular number (990 = T₄₄).

It can be divided in two parts, 92 and 139, that added together give a triangular number (231 = T₂₁).

The spelling of 92139 in words is "ninety-two thousand, one hundred thirty-nine".