99134280 has 384 divisors, whose sum is σ = 402554880. Its totient is φ = 21461760.

The previous prime is 99134263. The next prime is 99134297. The reversal of 99134280 is 8243199.

It is an interprime number because it is at equal distance from previous prime (99134263) and next prime (99134297).

It is a super-2 number, since 2×99134280² = 19655210942236800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2109217 + ... + 2109263.

It is an arithmetic number, because the mean of its divisors is an integer number (1048320).

Almost surely, 2^99134280 is an apocalyptic number.

99134280 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99134280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201277440).

99134280 is an abundant number, since it is smaller than the sum of its proper divisors (303420600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99134280 is a wasteful number, since it uses less digits than its factorization.

99134280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111 (or 95 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 99134280 is about 9956.6199083826. The cubic root of 99134280 is about 462.8155606383.

The spelling of 99134280 in words is "ninety-nine million, one hundred thirty-four thousand, two hundred eighty".