130215993 has 8 divisors (see below), whose sum is σ = 173674656. Its totient is φ = 86784000.

The previous prime is 130215983. The next prime is 130216007. The reversal of 130215993 is 399512031.

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

It is not a de Polignac number, because 130215993 - 2⁶ = 130215929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130215983) 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, 13113 + ... + 20793.

It is an arithmetic number, because the mean of its divisors is an integer number (21709332).

Almost surely, 2^130215993 is an apocalyptic number.

It is an amenable number.

130215993 is a deficient number, since it is larger than the sum of its proper divisors (43458663).

130215993 is an equidigital number, since it uses as much as digits as its factorization.

130215993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13335.

The product of its (nonzero) digits is 7290, while the sum is 33.

The square root of 130215993 is about 11411.2222395325. Note that the first 4 decimals coincide. The cubic root of 130215993 is about 506.8601047994.

The spelling of 130215993 in words is "one hundred thirty million, two hundred fifteen thousand, nine hundred ninety-three".