2140194930 has 32 divisors (see below), whose sum is σ = 5138510400. Its totient is φ = 570491712.

The previous prime is 2140194911. The next prime is 2140194971. The reversal of 2140194930 is 394910412.

It is a junction number, because it is equal to n+sod(n) for n = 2140194891 and 2140194900.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70881 + ... + 96459.

It is an arithmetic number, because the mean of its divisors is an integer number (160578450).

Almost surely, 2^2140194930 is an apocalyptic number.

2140194930 is an abundant number, since it is smaller than the sum of its proper divisors (2998315470).

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

2140194930 is a wasteful number, since it uses less digits than its factorization.

2140194930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28378.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 2140194930 is about 46262.2408666074. The cubic root of 2140194930 is about 1288.6978688072.

The spelling of 2140194930 in words is "two billion, one hundred forty million, one hundred ninety-four thousand, nine hundred thirty".