99674139 has 8 divisors (see below), whose sum is σ = 133276752. Its totient is φ = 66260480.

The previous prime is 99674093. The next prime is 99674143. The reversal of 99674139 is 93147699.

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

It is a cyclic number.

It is not a de Polignac number, because 99674139 - 2⁹ = 99673627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99674149) 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, 46002 + ... + 48119.

It is an arithmetic number, because the mean of its divisors is an integer number (16659594).

Almost surely, 2^99674139 is an apocalyptic number.

99674139 is a deficient number, since it is larger than the sum of its proper divisors (33602613).

99674139 is a wasteful number, since it uses less digits than its factorization.

99674139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94477.

The product of its digits is 367416, while the sum is 48.

The square root of 99674139 is about 9983.6936551559. The cubic root of 99674139 is about 463.6541638093.

The spelling of 99674139 in words is "ninety-nine million, six hundred seventy-four thousand, one hundred thirty-nine".