5139816 has 32 divisors (see below), whose sum is σ = 14018400. Its totient is φ = 1557440.

The previous prime is 5139811. The next prime is 5139821. The reversal of 5139816 is 6189315.

It is an interprime number because it is at equal distance from previous prime (5139811) and next prime (5139821).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (5139811) 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, 9471 + ... + 9998.

It is an arithmetic number, because the mean of its divisors is an integer number (438075).

Almost surely, 2^5139816 is an apocalyptic number.

It is an amenable number.

5139816 is an abundant number, since it is smaller than the sum of its proper divisors (8878584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5139816 is a wasteful number, since it uses less digits than its factorization.

5139816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19489 (or 19485 counting only the distinct ones).

The product of its digits is 6480, while the sum is 33.

The square root of 5139816 is about 2267.1162299273. The cubic root of 5139816 is about 172.5768445695.

It can be divided in two parts, 513981 and 6, that multiplied together give a triangular number (3083886 = T₂₄₈₃).

The spelling of 5139816 in words is "five million, one hundred thirty-nine thousand, eight hundred sixteen".