99143013 has 8 divisors (see below), whose sum is σ = 132955488. Its totient is φ = 65712944.

The previous prime is 99142891. The next prime is 99143047. The reversal of 99143013 is 31034199.

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

It is a cyclic number.

It is not a de Polignac number, because 99143013 - 2⁹ = 99142501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99143113) 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, 94995 + ... + 96032.

It is an arithmetic number, because the mean of its divisors is an integer number (16619436).

Almost surely, 2^99143013 is an apocalyptic number.

It is an amenable number.

99143013 is a deficient number, since it is larger than the sum of its proper divisors (33812475).

99143013 is a wasteful number, since it uses less digits than its factorization.

99143013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191203.

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 99143013 is about 9957.0584511692. The cubic root of 99143013 is about 462.8291504535.

The spelling of 99143013 in words is "ninety-nine million, one hundred forty-three thousand, thirteen".