133560243 has 12 divisors (see below), whose sum is σ = 193892400. Its totient is φ = 88591536.

The previous prime is 133560239. The next prime is 133560263. The reversal of 133560243 is 342065331.

It is a happy number.

133560243 is a `hidden beast` number, since 13 + 3 + 5 + 602 + 43 = 666.

It is not a de Polignac number, because 133560243 - 2² = 133560239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133560233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35496 + ... + 39077.

It is an arithmetic number, because the mean of its divisors is an integer number (16157700).

Almost surely, 2^133560243 is an apocalyptic number.

133560243 is a deficient number, since it is larger than the sum of its proper divisors (60332157).

133560243 is a wasteful number, since it uses less digits than its factorization.

133560243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74778 (or 74775 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 133560243 is about 11556.8266838263. The cubic root of 133560243 is about 511.1625957152.

The spelling of 133560243 in words is "one hundred thirty-three million, five hundred sixty thousand, two hundred forty-three".