6139091 has 16 divisors (see below), whose sum is σ = 7755264. Its totient is φ = 4735104.

The previous prime is 6139073. The next prime is 6139099. The reversal of 6139091 is 1909316.

It is a cyclic number.

It is not a de Polignac number, because 6139091 - 2⁶ = 6139027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6139099) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1616 + ... + 3858.

It is an arithmetic number, because the mean of its divisors is an integer number (484704).

Almost surely, 2^6139091 is an apocalyptic number.

6139091 is a deficient number, since it is larger than the sum of its proper divisors (1616173).

6139091 is a wasteful number, since it uses less digits than its factorization.

6139091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2290.

The product of its (nonzero) digits is 1458, while the sum is 29.

The square root of 6139091 is about 2477.7189106111. The cubic root of 6139091 is about 183.1054862782.

The spelling of 6139091 in words is "six million, one hundred thirty-nine thousand, ninety-one".