132825991 has 4 divisors (see below), whose sum is σ = 132918984. Its totient is φ = 132733000.

The previous prime is 132825971. The next prime is 132826007. The reversal of 132825991 is 199528231.

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 132825991 - 2⁷ = 132825863 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 (132825971) 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, 44320 + ... + 47221.

It is an arithmetic number, because the mean of its divisors is an integer number (33229746).

Almost surely, 2^132825991 is an apocalyptic number.

132825991 is a deficient number, since it is larger than the sum of its proper divisors (92993).

132825991 is an equidigital number, since it uses as much as digits as its factorization.

132825991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92992.

The product of its digits is 38880, while the sum is 40.

The square root of 132825991 is about 11525.0158785140. The cubic root of 132825991 is about 510.2241626399.

The spelling of 132825991 in words is "one hundred thirty-two million, eight hundred twenty-five thousand, nine hundred ninety-one".