132278769 has 24 divisors (see below), whose sum is σ = 219528192. Its totient is φ = 75185280.

The previous prime is 132278761. The next prime is 132278771. The reversal of 132278769 is 967872231.

It is not a de Polignac number, because 132278769 - 2³ = 132278761 is a prime.

It is a super-2 number, since 2×132278769² = 34995345456310722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (132278761) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6537 + ... + 17529.

It is an arithmetic number, because the mean of its divisors is an integer number (9147008).

Almost surely, 2^132278769 is an apocalyptic number.

It is an amenable number.

132278769 is a deficient number, since it is larger than the sum of its proper divisors (87249423).

132278769 is a wasteful number, since it uses less digits than its factorization.

132278769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11197 (or 11194 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 132278769 is about 11501.2507580698. The cubic root of 132278769 is about 509.5225173454.

The spelling of 132278769 in words is "one hundred thirty-two million, two hundred seventy-eight thousand, seven hundred sixty-nine".