132605831 has 8 divisors (see below), whose sum is σ = 140601744. Its totient is φ = 124631680.

The previous prime is 132605813. The next prime is 132605857. The reversal of 132605831 is 138506231.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-132605831 is a prime.

It is a super-2 number, since 2×132605831² = 35168612830401122, 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 = 132605794 and 132605803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132605801) 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, 8096 + ... + 18186.

It is an arithmetic number, because the mean of its divisors is an integer number (17575218).

Almost surely, 2^132605831 is an apocalyptic number.

132605831 is a deficient number, since it is larger than the sum of its proper divisors (7995913).

132605831 is a wasteful number, since it uses less digits than its factorization.

132605831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10881.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 132605831 is about 11515.4605205350. The cubic root of 132605831 is about 509.9421067182.

It can be divided in two parts, 13260 and 5831, that added together give a palindrome (19091).

The spelling of 132605831 in words is "one hundred thirty-two million, six hundred five thousand, eight hundred thirty-one".