2139316 has 12 divisors (see below), whose sum is σ = 3777732. Its totient is φ = 1059968.

The previous prime is 2139311. The next prime is 2139323. The reversal of 2139316 is 6139312.

It can be written as a sum of positive squares in 2 ways, for example, as 168100 + 1971216 = 410^2 + 1404^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2139311) 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, 1915 + ... + 2818.

It is an arithmetic number, because the mean of its divisors is an integer number (314811).

2^2139316 is an apocalyptic number.

It is an amenable number.

2139316 is a deficient number, since it is larger than the sum of its proper divisors (1638416).

2139316 is a wasteful number, since it uses less digits than its factorization.

2139316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4850 (or 4848 counting only the distinct ones).

The product of its digits is 972, while the sum is 25.

The square root of 2139316 is about 1462.6400787617. The cubic root of 2139316 is about 128.8521431560.

The spelling of 2139316 in words is "two million, one hundred thirty-nine thousand, three hundred sixteen".