132128299 has 4 divisors (see below), whose sum is σ = 139082440. Its totient is φ = 125174160.

The previous prime is 132128291. The next prime is 132128309. The reversal of 132128299 is 992821231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 992821231 = 19 ⋅52253749.

It is a cyclic number.

It is not a de Polignac number, because 132128299 - 2³ = 132128291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132128291) 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, 3477042 + ... + 3477079.

It is an arithmetic number, because the mean of its divisors is an integer number (34770610).

Almost surely, 2^132128299 is an apocalyptic number.

132128299 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

132128299 is a deficient number, since it is larger than the sum of its proper divisors (6954141).

132128299 is an equidigital number, since it uses as much as digits as its factorization.

132128299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6954140.

The product of its digits is 15552, while the sum is 37.

The square root of 132128299 is about 11494.7074342934. The cubic root of 132128299 is about 509.3292463653.

The spelling of 132128299 in words is "one hundred thirty-two million, one hundred twenty-eight thousand, two hundred ninety-nine".