299352140 has 12 divisors (see below), whose sum is σ = 628639536. Its totient is φ = 119740848.

The previous prime is 299352139. The next prime is 299352169. The reversal of 299352140 is 41253992.

It is a super-2 number, since 2×299352140² = 179223407445159200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 299352140.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7483784 + ... + 7483823.

It is an arithmetic number, because the mean of its divisors is an integer number (52386628).

Almost surely, 2^299352140 is an apocalyptic number.

299352140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

299352140 is an abundant number, since it is smaller than the sum of its proper divisors (329287396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

299352140 is a wasteful number, since it uses less digits than its factorization.

299352140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14967616 (or 14967614 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 299352140 is about 17301.7958605458. The cubic root of 299352140 is about 668.9507151912.

The spelling of 299352140 in words is "two hundred ninety-nine million, three hundred fifty-two thousand, one hundred forty".