3725139 has 16 divisors (see below), whose sum is σ = 5460480. Its totient is φ = 2240160.

The previous prime is 3725119. The next prime is 3725147. The reversal of 3725139 is 9315273.

It is not a de Polignac number, because 3725139 - 2⁵ = 3725107 is a prime.

3725139 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3725119) 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 15 ways as a sum of consecutive naturals, for example, 4822 + ... + 5540.

It is an arithmetic number, because the mean of its divisors is an integer number (341280).

Almost surely, 2^3725139 is an apocalyptic number.

3725139 is a deficient number, since it is larger than the sum of its proper divisors (1735341).

3725139 is a wasteful number, since it uses less digits than its factorization.

3725139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890.

The product of its digits is 5670, while the sum is 30.

The square root of 3725139 is about 1930.0619161053. The cubic root of 3725139 is about 155.0175353037.

The spelling of 3725139 in words is "three million, seven hundred twenty-five thousand, one hundred thirty-nine".