132945649394 has 4 divisors (see below), whose sum is σ = 199418474094. Its totient is φ = 66472824696.

The previous prime is 132945649391. The next prime is 132945649439. The reversal of 132945649394 is 493946549231.

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

It can be written as a sum of positive squares in only one way, i.e., 78195733225 + 54749916169 = 279635^2 + 233987^2 .

It is not an unprimeable number, because it can be changed into a prime (132945649391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33236412347 + ... + 33236412350.

Almost surely, 2^132945649394 is an apocalyptic number.

132945649394 is a deficient number, since it is larger than the sum of its proper divisors (66472824700).

132945649394 is an equidigital number, since it uses as much as digits as its factorization.

132945649394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66472824699.

The product of its digits is 25194240, while the sum is 59.

The spelling of 132945649394 in words is "one hundred thirty-two billion, nine hundred forty-five million, six hundred forty-nine thousand, three hundred ninety-four".