675136899 has 18 divisors (see below), whose sum is σ = 1027040820. Its totient is φ = 426187656.

The previous prime is 675136859. The next prime is 675136909. The reversal of 675136899 is 998631576.

675136899 is a `hidden beast` number, since 67 + 513 + 68 + 9 + 9 = 666.

It is not a de Polignac number, because 675136899 - 2⁸ = 675136643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (675136859) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 338784 + ... + 340770.

Almost surely, 2^675136899 is an apocalyptic number.

675136899 is a deficient number, since it is larger than the sum of its proper divisors (351903921).

675136899 is an equidigital number, since it uses as much as digits as its factorization.

675136899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3999 (or 2009 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 54.

The square root of 675136899 is about 25983.3966024460. The cubic root of 675136899 is about 877.2646204336.

The spelling of 675136899 in words is "six hundred seventy-five million, one hundred thirty-six thousand, eight hundred ninety-nine".