133000011 has 12 divisors (see below), whose sum is σ = 193515192. Its totient is φ = 88018656.

The previous prime is 133000009. The next prime is 133000033. The reversal of 133000011 is 110000331.

It is not a de Polignac number, because 133000011 - 2¹ = 133000009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 132999957 and 133000002.

It is not an unprimeable number, because it can be changed into a prime (133000001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52701 + ... + 55166.

It is an arithmetic number, because the mean of its divisors is an integer number (16126266).

Almost surely, 2^133000011 is an apocalyptic number.

133000011 is a deficient number, since it is larger than the sum of its proper divisors (60515181).

133000011 is a wasteful number, since it uses less digits than its factorization.

133000011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108010 (or 108007 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 9.

The square root of 133000011 is about 11532.5630715813. The cubic root of 133000011 is about 510.4468862726.

Adding to 133000011 its reverse (110000331), we get a palindrome (243000342).

The spelling of 133000011 in words is "one hundred thirty-three million, eleven", and thus it is an aban number.