132019991 has 2 divisors, whose sum is σ = 132019992. Its totient is φ = 132019990.

The previous prime is 132019973. The next prime is 132019997. The reversal of 132019991 is 199910231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 132019991 - 2²⁶ = 64911127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132019997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66009995 + 66009996.

It is an arithmetic number, because the mean of its divisors is an integer number (66009996).

Almost surely, 2^132019991 is an apocalyptic number.

132019991 is a deficient number, since it is larger than the sum of its proper divisors (1).

132019991 is an equidigital number, since it uses as much as digits as its factorization.

132019991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4374, while the sum is 35.

The square root of 132019991 is about 11489.9952567440. The cubic root of 132019991 is about 509.1900394671.

The spelling of 132019991 in words is "one hundred thirty-two million, nineteen thousand, nine hundred ninety-one".