2131158 has 8 divisors (see below), whose sum is σ = 4262328. Its totient is φ = 710384.

The previous prime is 2131141. The next prime is 2131193. The reversal of 2131158 is 8511312.

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

2131158 is an admirable number.

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, 177591 + ... + 177602.

It is an arithmetic number, because the mean of its divisors is an integer number (532791).

2^2131158 is an apocalyptic number.

2131158 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2131158 is a wasteful number, since it uses less digits than its factorization.

2131158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355198.

The product of its digits is 240, while the sum is 21.

The square root of 2131158 is about 1459.8486222893. The cubic root of 2131158 is about 128.6881476242.

The spelling of 2131158 in words is "two million, one hundred thirty-one thousand, one hundred fifty-eight".