132601331 has 4 divisors (see below), whose sum is σ = 132640200. Its totient is φ = 132562464.

The previous prime is 132601327. The next prime is 132601351. The reversal of 132601331 is 133106231.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 132601331 - 2² = 132601327 is a prime.

It is a super-2 number, since 2×132601331² = 35166225965943122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132601351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13766 + ... + 21323.

It is an arithmetic number, because the mean of its divisors is an integer number (33160050).

Almost surely, 2^132601331 is an apocalyptic number.

132601331 is a deficient number, since it is larger than the sum of its proper divisors (38869).

132601331 is an equidigital number, since it uses as much as digits as its factorization.

132601331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38868.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 132601331 is about 11515.2651293837. The cubic root of 132601331 is about 509.9363383307.

Adding to 132601331 its reverse (133106231), we get a palindrome (265707562).

The spelling of 132601331 in words is "one hundred thirty-two million, six hundred one thousand, three hundred thirty-one".