3152139 has 4 divisors (see below), whose sum is σ = 4202856. Its totient is φ = 2101424.

The previous prime is 3152117. The next prime is 3152147. The reversal of 3152139 is 9312513.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3152139 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (3152159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 525354 + ... + 525359.

It is an arithmetic number, because the mean of its divisors is an integer number (1050714).

Almost surely, 2^3152139 is an apocalyptic number.

3152139 is a deficient number, since it is larger than the sum of its proper divisors (1050717).

3152139 is a wasteful number, since it uses less digits than its factorization.

3152139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050716.

The product of its digits is 810, while the sum is 24.

The square root of 3152139 is about 1775.4264276506. The cubic root of 3152139 is about 146.6228938473.

The spelling of 3152139 in words is "three million, one hundred fifty-two thousand, one hundred thirty-nine".