99994137 has 8 divisors (see below), whose sum is σ = 133371840. Its totient is φ = 66639600.

The previous prime is 99994129. The next prime is 99994157. The reversal of 99994137 is 73149999.

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

It is not a de Polignac number, because 99994137 - 2³ = 99994129 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99994137.

It is not an unprimeable number, because it can be changed into a prime (99994157) 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, 12939 + ... + 19167.

It is an arithmetic number, because the mean of its divisors is an integer number (16671480).

Almost surely, 2^99994137 is an apocalyptic number.

It is an amenable number.

99994137 is a deficient number, since it is larger than the sum of its proper divisors (33377703).

99994137 is a wasteful number, since it uses less digits than its factorization.

99994137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11583.

The product of its digits is 551124, while the sum is 51.

The square root of 99994137 is about 9999.7068457030. The cubic root of 99994137 is about 464.1498119722.

The spelling of 99994137 in words is "ninety-nine million, nine hundred ninety-four thousand, one hundred thirty-seven".