2105459130 has 32 divisors (see below), whose sum is σ = 5103139968. Its totient is φ = 555896000.

The previous prime is 2105459113. The next prime is 2105459173. The reversal of 2105459130 is 319545012.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 344406 + ... + 350465.

It is an arithmetic number, because the mean of its divisors is an integer number (159473124).

Almost surely, 2^2105459130 is an apocalyptic number.

2105459130 is an abundant number, since it is smaller than the sum of its proper divisors (2997680838).

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

2105459130 is a wasteful number, since it uses less digits than its factorization.

2105459130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694982.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 2105459130 is about 45885.2822809232. The cubic root of 2105459130 is about 1281.6878632575.

The spelling of 2105459130 in words is "two billion, one hundred five million, four hundred fifty-nine thousand, one hundred thirty".