133000013 has 8 divisors (see below), whose sum is σ = 138137856. Its totient is φ = 127915200.

The previous prime is 133000009. The next prime is 133000033. The reversal of 133000013 is 310000331.

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 133000013 - 2² = 133000009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 132999958 and 133000003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133000033) 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, 8108 + ... + 18213.

It is an arithmetic number, because the mean of its divisors is an integer number (17267232).

Almost surely, 2^133000013 is an apocalyptic number.

It is an amenable number.

133000013 is a deficient number, since it is larger than the sum of its proper divisors (5137843).

133000013 is a wasteful number, since it uses less digits than its factorization.

133000013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26515.

The product of its (nonzero) digits is 27, while the sum is 11.

The square root of 133000013 is about 11532.5631582923. The cubic root of 133000013 is about 510.4468888312.

Adding to 133000013 its reverse (310000331), we get a palindrome (443000344).

The spelling of 133000013 in words is "one hundred thirty-three million, thirteen", and thus it is an aban number.