130142999 has 4 divisors (see below), whose sum is σ = 148734864. Its totient is φ = 111551136.

The previous prime is 130142963. The next prime is 130143019. The reversal of 130142999 is 999241031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130142999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130142399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9295922 + ... + 9295935.

It is an arithmetic number, because the mean of its divisors is an integer number (37183716).

Almost surely, 2^130142999 is an apocalyptic number.

130142999 is a deficient number, since it is larger than the sum of its proper divisors (18591865).

130142999 is an equidigital number, since it uses as much as digits as its factorization.

130142999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18591864.

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 130142999 is about 11408.0234484331. The cubic root of 130142999 is about 506.7653784376.

The spelling of 130142999 in words is "one hundred thirty million, one hundred forty-two thousand, nine hundred ninety-nine".