99131837 has 8 divisors (see below), whose sum is σ = 113600256. Its totient is φ = 84740112.

The previous prime is 99131827. The next prime is 99131861. The reversal of 99131837 is 73813199.

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 99131837 - 2¹⁴ = 99115453 is a prime.

It is a super-2 number, since 2×99131837² = 19654242213989138, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 99131794 and 99131803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99131827) 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, 16373 + ... + 21594.

It is an arithmetic number, because the mean of its divisors is an integer number (14200032).

Almost surely, 2^99131837 is an apocalyptic number.

It is an amenable number.

99131837 is a deficient number, since it is larger than the sum of its proper divisors (14468419).

99131837 is a wasteful number, since it uses less digits than its factorization.

99131837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38347.

The product of its digits is 40824, while the sum is 41.

The square root of 99131837 is about 9956.4972254302. The cubic root of 99131837 is about 462.8117588330.

The spelling of 99131837 in words is "ninety-nine million, one hundred thirty-one thousand, eight hundred thirty-seven".