2957139 has 12 divisors (see below), whose sum is σ = 4344600. Its totient is φ = 1937664.

The previous prime is 2957111. The next prime is 2957161. The reversal of 2957139 is 9317592.

It is not a de Polignac number, because 2957139 - 2⁵ = 2957107 is a prime.

2957139 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2957189) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 2254 + ... + 3315.

It is an arithmetic number, because the mean of its divisors is an integer number (362050).

2^2957139 is an apocalyptic number.

2957139 is a deficient number, since it is larger than the sum of its proper divisors (1387461).

2957139 is a wasteful number, since it uses less digits than its factorization.

2957139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5634 (or 5631 counting only the distinct ones).

The product of its digits is 17010, while the sum is 36.

The square root of 2957139 is about 1719.6333911622. The cubic root of 2957139 is about 143.5348125020.

The spelling of 2957139 in words is "two million, nine hundred fifty-seven thousand, one hundred thirty-nine".