5139915 has 16 divisors (see below), whose sum is σ = 8971776. Its totient is φ = 2492000.

The previous prime is 5139913. The next prime is 5139917. The reversal of 5139915 is 5199315.

It is an interprime number because it is at equal distance from previous prime (5139913) and next prime (5139917).

It is not a de Polignac number, because 5139915 - 2¹ = 5139913 is a prime.

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 (5139913) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15411 + ... + 15740.

It is an arithmetic number, because the mean of its divisors is an integer number (560736).

Almost surely, 2^5139915 is an apocalyptic number.

5139915 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5139915 is a deficient number, since it is larger than the sum of its proper divisors (3831861).

5139915 is a wasteful number, since it uses less digits than its factorization.

5139915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31170.

The product of its digits is 6075, while the sum is 33.

The square root of 5139915 is about 2267.1380637270. The cubic root of 5139915 is about 172.5779525857.

The spelling of 5139915 in words is "five million, one hundred thirty-nine thousand, nine hundred fifteen".