2140191962 has 16 divisors (see below), whose sum is σ = 3307621992. Its totient is φ = 1037836800.

The previous prime is 2140191961. The next prime is 2140191971. The reversal of 2140191962 is 2691910412.

It can be written as a sum of positive squares in 4 ways, for example, as 1968608161 + 171583801 = 44369^2 + 13099^2 .

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2140191961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23039 + ... + 69362.

Almost surely, 2^2140191962 is an apocalyptic number.

2140191962 is a deficient number, since it is larger than the sum of its proper divisors (1167430030).

2140191962 is a wasteful number, since it uses less digits than its factorization.

2140191962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92753.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 2140191962 is about 46262.2087885998. The cubic root of 2140191962 is about 1288.6972730893.

The spelling of 2140191962 in words is "two billion, one hundred forty million, one hundred ninety-one thousand, nine hundred sixty-two".