132128799 has 16 divisors (see below), whose sum is σ = 194897664. Its totient is φ = 78948800.

The previous prime is 132128791. The next prime is 132128807. The reversal of 132128799 is 997821231.

It is an interprime number because it is at equal distance from previous prime (132128791) and next prime (132128807).

It is a cyclic number.

It is not a de Polignac number, because 132128799 - 2³ = 132128791 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 132128799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132128791) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25854 + ... + 30539.

It is an arithmetic number, because the mean of its divisors is an integer number (12181104).

Almost surely, 2^132128799 is an apocalyptic number.

132128799 is a deficient number, since it is larger than the sum of its proper divisors (62768865).

132128799 is a wasteful number, since it uses less digits than its factorization.

132128799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56478.

The product of its digits is 54432, while the sum is 42.

The square root of 132128799 is about 11494.7291834127. The cubic root of 132128799 is about 509.3298888325.

The spelling of 132128799 in words is "one hundred thirty-two million, one hundred twenty-eight thousand, seven hundred ninety-nine".