2131189790 has 16 divisors (see below), whose sum is σ = 3836796768. Its totient is φ = 852330336.

The previous prime is 2131189741. The next prime is 2131189843. The reversal of 2131189790 is 979811312.

It is a happy number.

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, 58799 + ... + 87861.

It is an arithmetic number, because the mean of its divisors is an integer number (239799798).

Almost surely, 2^2131189790 is an apocalyptic number.

2131189790 is a deficient number, since it is larger than the sum of its proper divisors (1705606978).

2131189790 is a wasteful number, since it uses less digits than its factorization.

2131189790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36403.

The product of its (nonzero) digits is 27216, while the sum is 41.

The square root of 2131189790 is about 46164.8111660819. The cubic root of 2131189790 is about 1286.8878749161.

The spelling of 2131189790 in words is "two billion, one hundred thirty-one million, one hundred eighty-nine thousand, seven hundred ninety".