5139765 has 12 divisors (see below), whose sum is σ = 8909004. Its totient is φ = 2741184.

The previous prime is 5139751. The next prime is 5139767. The reversal of 5139765 is 5679315.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 904401 + 4235364 = 951^2 + 2058^2 .

It is not a de Polignac number, because 5139765 - 2⁸ = 5139509 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5139767) 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, 57064 + ... + 57153.

It is an arithmetic number, because the mean of its divisors is an integer number (742417).

Almost surely, 2^5139765 is an apocalyptic number.

It is an amenable number.

5139765 is a deficient number, since it is larger than the sum of its proper divisors (3769239).

5139765 is a wasteful number, since it uses less digits than its factorization.

5139765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114228 (or 114225 counting only the distinct ones).

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

The square root of 5139765 is about 2267.1049821303. The cubic root of 5139765 is about 172.5762737677.

The spelling of 5139765 in words is "five million, one hundred thirty-nine thousand, seven hundred sixty-five".