6139155 has 32 divisors (see below), whose sum is σ = 11093760. Its totient is φ = 2871680.

The previous prime is 6139141. The next prime is 6139201. The reversal of 6139155 is 5519316.

It is not a de Polignac number, because 6139155 - 2⁴ = 6139139 is a prime.

It is a super-2 number, since 2×6139155² = 75378448228050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4144 + ... + 5426.

It is an arithmetic number, because the mean of its divisors is an integer number (346680).

Almost surely, 2^6139155 is an apocalyptic number.

6139155 is a deficient number, since it is larger than the sum of its proper divisors (4954605).

6139155 is a wasteful number, since it uses less digits than its factorization.

6139155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1331.

The product of its digits is 4050, while the sum is 30.

The square root of 6139155 is about 2477.7318256825. The cubic root of 6139155 is about 183.1061225673.

The spelling of 6139155 in words is "six million, one hundred thirty-nine thousand, one hundred fifty-five".