133111513 has 8 divisors (see below), whose sum is σ = 143046432. Its totient is φ = 123410496.

The previous prime is 133111507. The next prime is 133111571. The reversal of 133111513 is 315111331.

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 133111513 - 2⁵ = 133111481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133111213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57295 + ... + 59572.

It is an arithmetic number, because the mean of its divisors is an integer number (17880804).

Almost surely, 2^133111513 is an apocalyptic number.

It is an amenable number.

133111513 is a deficient number, since it is larger than the sum of its proper divisors (9934919).

133111513 is a wasteful number, since it uses less digits than its factorization.

133111513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116951.

The product of its digits is 135, while the sum is 19.

The square root of 133111513 is about 11537.3962833908. The cubic root of 133111513 is about 510.5894926537.

Adding to 133111513 its reverse (315111331), we get a palindrome (448222844).

The spelling of 133111513 in words is "one hundred thirty-three million, one hundred eleven thousand, five hundred thirteen".