133315760 has 20 divisors (see below), whose sum is σ = 309959328. Its totient is φ = 53326272.

The previous prime is 133315709. The next prime is 133315769. The reversal of 133315760 is 67513331.

It is a happy number.

133315760 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (133315769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 833144 + ... + 833303.

Almost surely, 2^133315760 is an apocalyptic number.

133315760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133315760 is an abundant number, since it is smaller than the sum of its proper divisors (176643568).

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

133315760 is a wasteful number, since it uses less digits than its factorization.

133315760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1666460 (or 1666454 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 29.

The square root of 133315760 is about 11546.2444110628. The cubic root of 133315760 is about 510.8505095911.

It can be divided in two parts, 13331 and 5760, that added together give a palindrome (19091).

The spelling of 133315760 in words is "one hundred thirty-three million, three hundred fifteen thousand, seven hundred sixty".