8139094 has 8 divisors (see below), whose sum is σ = 12229560. Its totient is φ = 4062576.

The previous prime is 8139071. The next prime is 8139113. The reversal of 8139094 is 4909318.

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

It is a super-2 number, since 2×8139094² = 132489702281672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1879 + ... + 4450.

It is an arithmetic number, because the mean of its divisors is an integer number (1528695).

Almost surely, 2^8139094 is an apocalyptic number.

8139094 is a deficient number, since it is larger than the sum of its proper divisors (4090466).

8139094 is a wasteful number, since it uses less digits than its factorization.

8139094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6974.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 8139094 is about 2852.9097427013. The cubic root of 8139094 is about 201.1524630556.

Subtracting from 8139094 its product of nonzero digits (7776), we obtain a palindrome (8131318).

The spelling of 8139094 in words is "eight million, one hundred thirty-nine thousand, ninety-four".