6139494 has 12 divisors (see below), whose sum is σ = 13302276. Its totient is φ = 2046492.

The previous prime is 6139493. The next prime is 6139513. The reversal of 6139494 is 4949316.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6139493) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 170524 + ... + 170559.

It is an arithmetic number, because the mean of its divisors is an integer number (1108523).

Almost surely, 2^6139494 is an apocalyptic number.

6139494 is an abundant number, since it is smaller than the sum of its proper divisors (7162782).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6139494 is a wasteful number, since it uses less digits than its factorization.

6139494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341091 (or 341088 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 6139494 is about 2477.8002340786. The cubic root of 6139494 is about 183.1094928375.

The spelling of 6139494 in words is "six million, one hundred thirty-nine thousand, four hundred ninety-four".