132878331 has 6 divisors (see below), whose sum is σ = 191935380. Its totient is φ = 88585548.

The previous prime is 132878321. The next prime is 132878357. The reversal of 132878331 is 133878231.

It is not a de Polignac number, because 132878331 - 2¹⁴ = 132861947 is a prime.

It is a super-2 number, since 2×132878331² = 35313301698691122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (132878311) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7382121 + ... + 7382138.

It is an arithmetic number, because the mean of its divisors is an integer number (31989230).

Almost surely, 2^132878331 is an apocalyptic number.

132878331 is a deficient number, since it is larger than the sum of its proper divisors (59057049).

132878331 is a wasteful number, since it uses less digits than its factorization.

132878331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14764265 (or 14764262 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 132878331 is about 11527.2863675715. The cubic root of 132878331 is about 510.2911716782.

The spelling of 132878331 in words is "one hundred thirty-two million, eight hundred seventy-eight thousand, three hundred thirty-one".