133005560 has 32 divisors (see below), whose sum is σ = 299687040. Its totient is φ = 53126784.

The previous prime is 133005557. The next prime is 133005563. The reversal of 133005560 is 65500331.

133005560 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (133005557) and next prime (133005563).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133005563) 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, 32594 + ... + 36446.

It is an arithmetic number, because the mean of its divisors is an integer number (9365220).

Almost surely, 2^133005560 is an apocalyptic number.

133005560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133005560 is an abundant number, since it is smaller than the sum of its proper divisors (166681480).

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

133005560 is a wasteful number, since it uses less digits than its factorization.

133005560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4727 (or 4723 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 133005560 is about 11532.8036487231. The cubic root of 133005560 is about 510.4539850950.

Adding to 133005560 its reverse (65500331), we get a palindrome (198505891).

The spelling of 133005560 in words is "one hundred thirty-three million, five thousand, five hundred sixty".