1999507130 has 32 divisors (see below), whose sum is σ = 3770703360. Its totient is φ = 762442560.

The previous prime is 1999507079. The next prime is 1999507163. The reversal of 1999507130 is 317059991.

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, 27365 + ... + 68904.

It is an arithmetic number, because the mean of its divisors is an integer number (117834480).

Almost surely, 2^1999507130 is an apocalyptic number.

1999507130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1999507130 is a deficient number, since it is larger than the sum of its proper divisors (1771196230).

1999507130 is a wasteful number, since it uses less digits than its factorization.

1999507130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96374.

The product of its (nonzero) digits is 76545, while the sum is 44.

The square root of 1999507130 is about 44715.8487563414. The cubic root of 1999507130 is about 1259.8175451774.

The spelling of 1999507130 in words is "one billion, nine hundred ninety-nine million, five hundred seven thousand, one hundred thirty".