99140818 has 12 divisors (see below), whose sum is σ = 172990782. Its totient is φ = 42488880.

The previous prime is 99140809. The next prime is 99140837. The reversal of 99140818 is 81804199.

It can be written as a sum of positive squares in only one way, i.e., 92102409 + 7038409 = 9597^2 + 2653^2 .

It is a super-3 number, since 3×99140818³ (a number of 25 digits) contains 333 as substring.

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 5 ways as a sum of consecutive naturals, for example, 505723 + ... + 505918.

Almost surely, 2^99140818 is an apocalyptic number.

99140818 is a gapful number since it is divisible by the number (98) formed by its first and last digit.

99140818 is a deficient number, since it is larger than the sum of its proper divisors (73849964).

99140818 is a wasteful number, since it uses less digits than its factorization.

99140818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011657 (or 1011650 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 40.

The square root of 99140818 is about 9956.9482272431. The cubic root of 99140818 is about 462.8257347901.

The spelling of 99140818 in words is "ninety-nine million, one hundred forty thousand, eight hundred eighteen".