299136993 has 8 divisors (see below), whose sum is σ = 398954688. Its totient is φ = 199371984.

The previous prime is 299136983. The next prime is 299136997. The reversal of 299136993 is 399631992.

It is a happy number.

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

It is not a de Polignac number, because 299136993 - 2¹³ = 299128801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (299136997) 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, 2871 + ... + 24627.

It is an arithmetic number, because the mean of its divisors is an integer number (49869336).

Almost surely, 2^299136993 is an apocalyptic number.

It is an amenable number.

299136993 is a deficient number, since it is larger than the sum of its proper divisors (99817695).

299136993 is a wasteful number, since it uses less digits than its factorization.

299136993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26343.

The product of its digits is 708588, while the sum is 51.

The square root of 299136993 is about 17295.5772670356. The cubic root of 299136993 is about 668.7904165401.

The spelling of 299136993 in words is "two hundred ninety-nine million, one hundred thirty-six thousand, nine hundred ninety-three".