99140769 has 36 divisors (see below), whose sum is σ = 179407956. Its totient is φ = 52291008.

The previous prime is 99140737. The next prime is 99140791. The reversal of 99140769 is 96704199.

It can be written as a sum of positive squares in 2 ways, for example, as 8643600 + 90497169 = 2940^2 + 9513^2 .

It is not a de Polignac number, because 99140769 - 2⁵ = 99140737 is a prime.

It is a super-3 number, since 3×99140769³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (99140729) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2914 + ... + 14379.

Almost surely, 2^99140769 is an apocalyptic number.

It is an amenable number.

99140769 is a deficient number, since it is larger than the sum of its proper divisors (80267187).

99140769 is a wasteful number, since it uses less digits than its factorization.

99140769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17326 (or 17316 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The square root of 99140769 is about 9956.9457666495. The cubic root of 99140769 is about 462.8256585401.

The spelling of 99140769 in words is "ninety-nine million, one hundred forty thousand, seven hundred sixty-nine".