132278069 has 16 divisors (see below), whose sum is σ = 168431616. Its totient is φ = 100878000.

The previous prime is 132278063. The next prime is 132278087. The reversal of 132278069 is 960872231.

It is a cyclic number.

It is not a de Polignac number, because 132278069 - 2⁸ = 132277813 is a prime.

It is a super-2 number, since 2×132278069² = 34994975076737522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132278063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14657 + ... + 21894.

It is an arithmetic number, because the mean of its divisors is an integer number (10526976).

Almost surely, 2^132278069 is an apocalyptic number.

It is an amenable number.

132278069 is a deficient number, since it is larger than the sum of its proper divisors (36153547).

132278069 is a wasteful number, since it uses less digits than its factorization.

132278069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36616.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 132278069 is about 11501.2203265567. The cubic root of 132278069 is about 509.5216185708.

The spelling of 132278069 in words is "one hundred thirty-two million, two hundred seventy-eight thousand, sixty-nine".