133632601 has 4 divisors (see below), whose sum is σ = 133705600. Its totient is φ = 133559604.

The previous prime is 133632523. The next prime is 133632607. The reversal of 133632601 is 106236331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 133632601 - 2²⁵ = 100078169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133632607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33681 + ... + 37438.

It is an arithmetic number, because the mean of its divisors is an integer number (33426400).

Almost surely, 2^133632601 is an apocalyptic number.

It is an amenable number.

133632601 is a deficient number, since it is larger than the sum of its proper divisors (72999).

133632601 is an equidigital number, since it uses as much as digits as its factorization.

133632601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72998.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 133632601 is about 11559.9567905767. The cubic root of 133632601 is about 511.2548887133.

Adding to 133632601 its reverse (106236331), we get a palindrome (239868932).

The spelling of 133632601 in words is "one hundred thirty-three million, six hundred thirty-two thousand, six hundred one".