99406137 has 8 divisors (see below), whose sum is σ = 132773536. Its totient is φ = 66154752.

The previous prime is 99406133. The next prime is 99406187. The reversal of 99406137 is 73160499.

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

It is not a de Polignac number, because 99406137 - 2² = 99406133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99406095 and 99406104.

It is not an unprimeable number, because it can be changed into a prime (99406133) 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, 26983 + ... + 30444.

It is an arithmetic number, because the mean of its divisors is an integer number (16596692).

Almost surely, 2^99406137 is an apocalyptic number.

It is an amenable number.

99406137 is a deficient number, since it is larger than the sum of its proper divisors (33367399).

99406137 is a wasteful number, since it uses less digits than its factorization.

99406137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58007.

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 99406137 is about 9970.2626344545. The cubic root of 99406137 is about 463.2382358642.

The spelling of 99406137 in words is "ninety-nine million, four hundred six thousand, one hundred thirty-seven".