133303601 has 8 divisors (see below), whose sum is σ = 140428800. Its totient is φ = 126189360.

The previous prime is 133303571. The next prime is 133303631. The reversal of 133303601 is 106303331.

It is an interprime number because it is at equal distance from previous prime (133303571) and next prime (133303631).

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 133303601 - 2²² = 129109297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133303631) 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, 37616 + ... + 41006.

It is an arithmetic number, because the mean of its divisors is an integer number (17553600).

Almost surely, 2^133303601 is an apocalyptic number.

It is an amenable number.

133303601 is a deficient number, since it is larger than the sum of its proper divisors (7125199).

133303601 is a wasteful number, since it uses less digits than its factorization.

133303601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5479.

The product of its (nonzero) digits is 486, while the sum is 20.

The square root of 133303601 is about 11545.7178642127. The cubic root of 133303601 is about 510.8349784936.

Adding to 133303601 its reverse (106303331), we get a palindrome (239606932).

The spelling of 133303601 in words is "one hundred thirty-three million, three hundred three thousand, six hundred one".