5156739 has 12 divisors (see below), whose sum is σ = 8512816. Its totient is φ = 2946672.

The previous prime is 5156737. The next prime is 5156743. The reversal of 5156739 is 9376515.

It is a happy number.

It is not a de Polignac number, because 5156739 - 2¹ = 5156737 is a prime.

It is a super-2 number, since 2×5156739² = 53183914228242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5156731) 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, 40864 + ... + 40989.

Almost surely, 2^5156739 is an apocalyptic number.

5156739 is a deficient number, since it is larger than the sum of its proper divisors (3356077).

5156739 is a wasteful number, since it uses less digits than its factorization.

5156739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81866 (or 81863 counting only the distinct ones).

The product of its digits is 28350, while the sum is 36.

The square root of 5156739 is about 2270.8454372766. The cubic root of 5156739 is about 172.7660419061.

The spelling of 5156739 in words is "five million, one hundred fifty-six thousand, seven hundred thirty-nine".