1999130253 has 8 divisors (see below), whose sum is σ = 2666042400. Its totient is φ = 1332485808.

The previous prime is 1999130219. The next prime is 1999130291. The reversal of 1999130253 is 3520319991.

1999130253 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1999130253 - 2¹⁷ = 1998999181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1999130293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48798 + ... + 79871.

It is an arithmetic number, because the mean of its divisors is an integer number (333255300).

Almost surely, 2^1999130253 is an apocalyptic number.

It is an amenable number.

1999130253 is a deficient number, since it is larger than the sum of its proper divisors (666912147).

1999130253 is a wasteful number, since it uses less digits than its factorization.

1999130253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133851.

The product of its (nonzero) digits is 65610, while the sum is 42.

The square root of 1999130253 is about 44711.6344255050. The cubic root of 1999130253 is about 1259.7383879885.

The spelling of 1999130253 in words is "one billion, nine hundred ninety-nine million, one hundred thirty thousand, two hundred fifty-three".