132807999 has 16 divisors (see below), whose sum is σ = 183931904. Its totient is φ = 85147200.

The previous prime is 132807989. The next prime is 132808001. The reversal of 132807999 is 999708231.

132807999 = 182² + 183² + ... + 739².

It is not a de Polignac number, because 132807999 - 2¹¹ = 132805951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132807959) 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, 10779 + ... + 19539.

It is an arithmetic number, because the mean of its divisors is an integer number (11495744).

Almost surely, 2^132807999 is an apocalyptic number.

132807999 is a deficient number, since it is larger than the sum of its proper divisors (51123905).

132807999 is a wasteful number, since it uses less digits than its factorization.

132807999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8958.

The product of its (nonzero) digits is 244944, while the sum is 48.

The square root of 132807999 is about 11524.2352891634. The cubic root of 132807999 is about 510.2011240574.

The spelling of 132807999 in words is "one hundred thirty-two million, eight hundred seven thousand, nine hundred ninety-nine".