2258139 has 8 divisors (see below), whose sum is σ = 3242512. Its totient is φ = 1389600.

The previous prime is 2258129. The next prime is 2258149. The reversal of 2258139 is 9318522.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2258129) and next prime (2258149).

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

It is not a de Polignac number, because 2258139 - 2⁸ = 2257883 is a prime.

2258139 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2258119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28912 + ... + 28989.

It is an arithmetic number, because the mean of its divisors is an integer number (405314).

2^2258139 is an apocalyptic number.

2258139 is a deficient number, since it is larger than the sum of its proper divisors (984373).

2258139 is a wasteful number, since it uses less digits than its factorization.

2258139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57917.

The product of its digits is 4320, while the sum is 30.

The square root of 2258139 is about 1502.7105509711. The cubic root of 2258139 is about 131.1948811643.

The spelling of 2258139 in words is "two million, two hundred fifty-eight thousand, one hundred thirty-nine".