132771777667 has 4 divisors (see below), whose sum is σ = 135022146840. Its totient is φ = 130521408496.

The previous prime is 132771777653. The next prime is 132771777683. The reversal of 132771777667 is 766777177231.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-132771777667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132771777647) 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, 1125184498 + ... + 1125184615.

It is an arithmetic number, because the mean of its divisors is an integer number (33755536710).

Almost surely, 2^132771777667 is an apocalyptic number.

132771777667 is a deficient number, since it is larger than the sum of its proper divisors (2250369173).

132771777667 is an equidigital number, since it uses as much as digits as its factorization.

132771777667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2250369172.

The product of its digits is 25412184, while the sum is 61.

The spelling of 132771777667 in words is "one hundred thirty-two billion, seven hundred seventy-one million, seven hundred seventy-seven thousand, six hundred sixty-seven".