8290139 has 8 divisors (see below), whose sum is σ = 9739632. Its totient is φ = 6956640.

The previous prime is 8290133. The next prime is 8290151. The reversal of 8290139 is 9310928.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8290139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8290133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28844 + ... + 29129.

It is an arithmetic number, because the mean of its divisors is an integer number (1217454).

Almost surely, 2^8290139 is an apocalyptic number.

8290139 is a deficient number, since it is larger than the sum of its proper divisors (1449493).

8290139 is a wasteful number, since it uses less digits than its factorization.

8290139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57997.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 8290139 is about 2879.2601480241. The cubic root of 8290139 is about 202.3891706699.

The spelling of 8290139 in words is "eight million, two hundred ninety thousand, one hundred thirty-nine".