8232139 has 4 divisors (see below), whose sum is σ = 8237880. Its totient is φ = 8226400.

The previous prime is 8232127. The next prime is 8232151. The reversal of 8232139 is 9312328.

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 an interprime number because it is at equal distance from previous prime (8232127) and next prime (8232151).

It is a cyclic number.

It is not a de Polignac number, because 8232139 - 2¹⁵ = 8199371 is a prime.

It is a super-2 number, since 2×8232139² = 135536225030642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8232109) 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, 1332 + ... + 4270.

It is an arithmetic number, because the mean of its divisors is an integer number (2059470).

Almost surely, 2^8232139 is an apocalyptic number.

8232139 is a deficient number, since it is larger than the sum of its proper divisors (5741).

8232139 is a wasteful number, since it uses less digits than its factorization.

8232139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5740.

The product of its digits is 2592, while the sum is 28.

The square root of 8232139 is about 2869.1704376004. The cubic root of 8232139 is about 201.9160763031.

The spelling of 8232139 in words is "eight million, two hundred thirty-two thousand, one hundred thirty-nine".