2140435100 has 36 divisors (see below), whose sum is σ = 4720900968. Its totient is φ = 842136000.

The previous prime is 2140435097. The next prime is 2140435111. The reversal of 2140435100 is 15340412.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 169346 + ... + 181545.

It is an arithmetic number, because the mean of its divisors is an integer number (131136138).

Almost surely, 2^2140435100 is an apocalyptic number.

2140435100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2140435100 is an abundant number, since it is smaller than the sum of its proper divisors (2580465868).

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

2140435100 is a wasteful number, since it uses less digits than its factorization.

2140435100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350966 (or 350959 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2140435100 is about 46264.8365392119. The cubic root of 2140435100 is about 1288.7460723588.

Adding to 2140435100 its reverse (15340412), we get a palindrome (2155775512).

The spelling of 2140435100 in words is "two billion, one hundred forty million, four hundred thirty-five thousand, one hundred".