2131942 has 8 divisors (see below), whose sum is σ = 3215232. Its totient is φ = 1060200.

The previous prime is 2131937. The next prime is 2131951. The reversal of 2131942 is 2491312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a d-powerful number, because it can be written as 2⁵ + 1 + 3¹³ + 1 + 9⁶ + 4⁶ + 2¹¹ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2409 + ... + 3172.

It is an arithmetic number, because the mean of its divisors is an integer number (401904).

2^2131942 is an apocalyptic number.

2131942 is a deficient number, since it is larger than the sum of its proper divisors (1083290).

2131942 is a wasteful number, since it uses less digits than its factorization.

2131942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5774.

The product of its digits is 432, while the sum is 22.

The square root of 2131942 is about 1460.1171185901. The cubic root of 2131942 is about 128.7039260786.

The spelling of 2131942 in words is "two million, one hundred thirty-one thousand, nine hundred forty-two".