99131026 has 8 divisors (see below), whose sum is σ = 148829184. Its totient is φ = 49521300.

The previous prime is 99131023. The next prime is 99131027. The reversal of 99131026 is 62013199.

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

It is not an unprimeable number, because it can be changed into a prime (99131023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19230 + ... + 23833.

It is an arithmetic number, because the mean of its divisors is an integer number (18603648).

Almost surely, 2^99131026 is an apocalyptic number.

99131026 is a deficient number, since it is larger than the sum of its proper divisors (49698158).

99131026 is a wasteful number, since it uses less digits than its factorization.

99131026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44216.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 99131026 is about 9956.4564981724. The cubic root of 99131026 is about 462.8104967381.

The spelling of 99131026 in words is "ninety-nine million, one hundred thirty-one thousand, twenty-six".