133560755 has 24 divisors (see below), whose sum is σ = 172495008. Its totient is φ = 98930688.

The previous prime is 133560751. The next prime is 133560767. The reversal of 133560755 is 557065331.

It is not a de Polignac number, because 133560755 - 2² = 133560751 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133560751) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 799682 + ... + 799848.

It is an arithmetic number, because the mean of its divisors is an integer number (7187292).

Almost surely, 2^133560755 is an apocalyptic number.

133560755 is a deficient number, since it is larger than the sum of its proper divisors (38934253).

133560755 is an equidigital number, since it uses as much as digits as its factorization.

133560755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383 (or 286 counting only the distinct ones).

The product of its (nonzero) digits is 47250, while the sum is 35.

The square root of 133560755 is about 11556.8488352146. The cubic root of 133560755 is about 511.1632488909.

The spelling of 133560755 in words is "one hundred thirty-three million, five hundred sixty thousand, seven hundred fifty-five".