132636431 has 8 divisors (see below), whose sum is σ = 140598144. Its totient is φ = 124692480.

The previous prime is 132636421. The next prime is 132636443. The reversal of 132636431 is 134636231.

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

It is a cyclic number.

It is not a de Polignac number, because 132636431 - 2¹⁰ = 132635407 is a prime.

It is a super-2 number, since 2×132636431² = 35184845656835522, 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 = 132636394 and 132636403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132636421) 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, 12911 + ... + 20783.

It is an arithmetic number, because the mean of its divisors is an integer number (17574768).

Almost surely, 2^132636431 is an apocalyptic number.

132636431 is a deficient number, since it is larger than the sum of its proper divisors (7961713).

132636431 is an equidigital number, since it uses as much as digits as its factorization.

132636431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8881.

The product of its digits is 7776, while the sum is 29.

The square root of 132636431 is about 11516.7890924511. The cubic root of 132636431 is about 509.9813282924.

The spelling of 132636431 in words is "one hundred thirty-two million, six hundred thirty-six thousand, four hundred thirty-one".