2131149 has 4 divisors (see below), whose sum is σ = 2841536. Its totient is φ = 1420764.

The previous prime is 2131141. The next prime is 2131193. The reversal of 2131149 is 9411312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2131149 - 2³ = 2131141 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131141) 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, 355189 + ... + 355194.

It is an arithmetic number, because the mean of its divisors is an integer number (710384).

2^2131149 is an apocalyptic number.

It is an amenable number.

2131149 is a deficient number, since it is larger than the sum of its proper divisors (710387).

2131149 is an equidigital number, since it uses as much as digits as its factorization.

2131149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710386.

The product of its digits is 216, while the sum is 21.

The square root of 2131149 is about 1459.8455397747. The cubic root of 2131149 is about 128.6879664715.

The spelling of 2131149 in words is "two million, one hundred thirty-one thousand, one hundred forty-nine".