2139252 has 24 divisors (see below), whose sum is σ = 5099136. Its totient is φ = 697728.

The previous prime is 2139233. The next prime is 2139283. The reversal of 2139252 is 2529312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1333 + ... + 2460.

It is an arithmetic number, because the mean of its divisors is an integer number (212464).

2^2139252 is an apocalyptic number.

It is an amenable number.

2139252 is an abundant number, since it is smaller than the sum of its proper divisors (2959884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2139252 is a wasteful number, since it uses less digits than its factorization.

2139252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3847 (or 3845 counting only the distinct ones).

The product of its digits is 1080, while the sum is 24.

The square root of 2139252 is about 1462.6182003517. The cubic root of 2139252 is about 128.8508582251.

The spelling of 2139252 in words is "two million, one hundred thirty-nine thousand, two hundred fifty-two".