133013001 has 24 divisors (see below), whose sum is σ = 198167872. Its totient is φ = 79279200.

The previous prime is 133012991. The next prime is 133013003. The reversal of 133013001 is 100310331.

It is not a de Polignac number, because 133013001 - 2⁹ = 133012489 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (133013003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19140 + ... + 25146.

Almost surely, 2^133013001 is an apocalyptic number.

133013001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

133013001 is a deficient number, since it is larger than the sum of its proper divisors (65154871).

133013001 is a wasteful number, since it uses less digits than its factorization.

133013001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6093 (or 6082 counting only the distinct ones).

The product of its (nonzero) digits is 27, while the sum is 12.

The square root of 133013001 is about 11533.1262457323. The cubic root of 133013001 is about 510.4635040386.

Adding to 133013001 its reverse (100310331), we get a palindrome (233323332).

The spelling of 133013001 in words is "one hundred thirty-three million, thirteen thousand, one".