2113400140 has 24 divisors (see below), whose sum is σ = 4446276912. Its totient is φ = 843810240.

The previous prime is 2113400131. The next prime is 2113400209. The reversal of 2113400140 is 410043112.

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, 85651 + ... + 107530.

It is an arithmetic number, because the mean of its divisors is an integer number (185261538).

Almost surely, 2^2113400140 is an apocalyptic number.

2113400140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2113400140 is an abundant number, since it is smaller than the sum of its proper divisors (2332876772).

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

2113400140 is a wasteful number, since it uses less digits than its factorization.

2113400140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193737 (or 193735 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2113400140 is about 45971.7319665031. The cubic root of 2113400140 is about 1283.2971919134.

Adding to 2113400140 its reverse (410043112), we get a palindrome (2523443252).

The spelling of 2113400140 in words is "two billion, one hundred thirteen million, four hundred thousand, one hundred forty".