132977987999 has 4 divisors (see below), whose sum is σ = 132982715664. Its totient is φ = 132973260336.

The previous prime is 132977987983. The next prime is 132977988023. The reversal of 132977987999 is 999789779231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 132977987999 - 2⁴ = 132977987983 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 (132977987399) 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, 2321387 + ... + 2377980.

It is an arithmetic number, because the mean of its divisors is an integer number (33245678916).

Almost surely, 2^132977987999 is an apocalyptic number.

132977987999 is a deficient number, since it is larger than the sum of its proper divisors (4727665).

132977987999 is an equidigital number, since it uses as much as digits as its factorization.

132977987999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4727664.

The product of its digits is 972182736, while the sum is 80.

The spelling of 132977987999 in words is "one hundred thirty-two billion, nine hundred seventy-seven million, nine hundred eighty-seven thousand, nine hundred ninety-nine".