132021999 has 24 divisors (see below), whose sum is σ = 195795600. Its totient is φ = 85691520.

The previous prime is 132021979. The next prime is 132022003. The reversal of 132021999 is 999120231.

It is a happy number.

It is not a de Polignac number, because 132021999 - 2¹³ = 132013807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132021979) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56739 + ... + 59019.

It is an arithmetic number, because the mean of its divisors is an integer number (8158150).

Almost surely, 2^132021999 is an apocalyptic number.

132021999 is a deficient number, since it is larger than the sum of its proper divisors (63773601).

132021999 is a wasteful number, since it uses less digits than its factorization.

132021999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2455 (or 2452 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 36.

The square root of 132021999 is about 11490.0826367786. The cubic root of 132021999 is about 509.1926210166.

The spelling of 132021999 in words is "one hundred thirty-two million, twenty-one thousand, nine hundred ninety-nine".