133303032018 has 64 divisors (see below), whose sum is σ = 319189274880. Its totient is φ = 40994014464.

The previous prime is 133303032011. The next prime is 133303032019. The reversal of 133303032018 is 810230303331.

133303032018 is a `hidden beast` number, since 1 + 3 + 330 + 3 + 0 + 320 + 1 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 133303031982 and 133303032000.

It is not an unprimeable number, because it can be changed into a prime (133303032011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1264155 + ... + 1365537.

It is an arithmetic number, because the mean of its divisors is an integer number (4987332420).

Almost surely, 2^133303032018 is an apocalyptic number.

133303032018 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

133303032018 is an abundant number, since it is smaller than the sum of its proper divisors (185886242862).

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

133303032018 is a wasteful number, since it uses less digits than its factorization.

133303032018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103280 (or 103274 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 133303032018 its reverse (810230303331), we get a palindrome (943533335349).

The spelling of 133303032018 in words is "one hundred thirty-three billion, three hundred three million, thirty-two thousand, eighteen".