133013118 has 16 divisors (see below), whose sum is σ = 304030080. Its totient is φ = 38003736.

The previous prime is 133013087. The next prime is 133013119. The reversal of 133013118 is 811310331.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 133013094 and 133013103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133013119) 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, 1583448 + ... + 1583531.

It is an arithmetic number, because the mean of its divisors is an integer number (19001880).

Almost surely, 2^133013118 is an apocalyptic number.

133013118 is an abundant number, since it is smaller than the sum of its proper divisors (171016962).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133013118 is a wasteful number, since it uses less digits than its factorization.

133013118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3166991.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 133013118 is about 11533.1313180766. The cubic root of 133013118 is about 510.4636537088.

Adding to 133013118 its reverse (811310331), we get a palindrome (944323449).

The spelling of 133013118 in words is "one hundred thirty-three million, thirteen thousand, one hundred eighteen".