5112139 has 4 divisors (see below), whose sum is σ = 5160024. Its totient is φ = 5064256.

The previous prime is 5112137. The next prime is 5112181. The reversal of 5112139 is 9312115.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5112139 - 2¹ = 5112137 is a prime.

It is a super-2 number, since 2×5112139² = 52267930310642, which contains 22 as substring.

It is a Duffinian number.

5112139 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5112137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23782 + ... + 23995.

It is an arithmetic number, because the mean of its divisors is an integer number (1290006).

Almost surely, 2^5112139 is an apocalyptic number.

5112139 is a deficient number, since it is larger than the sum of its proper divisors (47885).

5112139 is a wasteful number, since it uses less digits than its factorization.

5112139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47884.

The product of its digits is 270, while the sum is 22.

The square root of 5112139 is about 2261.0039805361. The cubic root of 5112139 is about 172.2665216292.

The spelling of 5112139 in words is "five million, one hundred twelve thousand, one hundred thirty-nine".