132440331 has 8 divisors (see below), whose sum is σ = 176766160. Its totient is φ = 88204032.

The previous prime is 132440327. The next prime is 132440351. The reversal of 132440331 is 133044231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 132440331 - 2² = 132440327 is a prime.

It is a super-2 number, since 2×132440331² = 35080882550779122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 132440298 and 132440307.

It is not an unprimeable number, because it can be changed into a prime (132440351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18850 + ... + 24903.

It is an arithmetic number, because the mean of its divisors is an integer number (22095770).

Almost surely, 2^132440331 is an apocalyptic number.

132440331 is a deficient number, since it is larger than the sum of its proper divisors (44325829).

132440331 is a wasteful number, since it uses less digits than its factorization.

132440331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44765.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 132440331 is about 11508.2722856213. The cubic root of 132440331 is about 509.7298723276.

Adding to 132440331 its reverse (133044231), we get a palindrome (265484562).

The spelling of 132440331 in words is "one hundred thirty-two million, four hundred forty thousand, three hundred thirty-one".