8234139 has 4 divisors (see below), whose sum is σ = 10978856. Its totient is φ = 5489424.

The previous prime is 8234123. The next prime is 8234141. The reversal of 8234139 is 9314328.

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

It is not a de Polignac number, because 8234139 - 2⁴ = 8234123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8234119) 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, 1372354 + ... + 1372359.

It is an arithmetic number, because the mean of its divisors is an integer number (2744714).

Almost surely, 2^8234139 is an apocalyptic number.

8234139 is a deficient number, since it is larger than the sum of its proper divisors (2744717).

8234139 is a wasteful number, since it uses less digits than its factorization.

8234139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2744716.

The product of its digits is 5184, while the sum is 30.

The square root of 8234139 is about 2869.5189492317. The cubic root of 8234139 is about 201.9324268310.

The spelling of 8234139 in words is "eight million, two hundred thirty-four thousand, one hundred thirty-nine".