132129999 has 6 divisors (see below), whose sum is σ = 190854456. Its totient is φ = 88086660.

The previous prime is 132129989. The next prime is 132130027. The reversal of 132129999 is 999921231.

It is not a de Polignac number, because 132129999 - 2²³ = 123741391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132129929) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7340547 + ... + 7340564.

It is an arithmetic number, because the mean of its divisors is an integer number (31809076).

Almost surely, 2^132129999 is an apocalyptic number.

132129999 is a deficient number, since it is larger than the sum of its proper divisors (58724457).

132129999 is a wasteful number, since it uses less digits than its factorization.

132129999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14681117 (or 14681114 counting only the distinct ones).

The product of its digits is 78732, while the sum is 45.

The square root of 132129999 is about 11494.7813811312. The cubic root of 132129999 is about 509.3314307472.

The spelling of 132129999 in words is "one hundred thirty-two million, one hundred twenty-nine thousand, nine hundred ninety-nine".