132643967 has 4 divisors (see below), whose sum is σ = 138411120. Its totient is φ = 126876816.

The previous prime is 132643957. The next prime is 132643981. The reversal of 132643967 is 769346231.

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 132643967 - 2¹⁰ = 132642943 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132643937) 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, 2883542 + ... + 2883587.

It is an arithmetic number, because the mean of its divisors is an integer number (34602780).

Almost surely, 2^132643967 is an apocalyptic number.

132643967 is a deficient number, since it is larger than the sum of its proper divisors (5767153).

132643967 is an equidigital number, since it uses as much as digits as its factorization.

132643967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5767152.

The product of its digits is 163296, while the sum is 41.

The square root of 132643967 is about 11517.1162623289. The cubic root of 132643967 is about 509.9909866407.

The spelling of 132643967 in words is "one hundred thirty-two million, six hundred forty-three thousand, nine hundred sixty-seven".