133242355 has 8 divisors (see below), whose sum is σ = 162601200. Its totient is φ = 104786976.

The previous prime is 133242353. The next prime is 133242359. The reversal of 133242355 is 553242331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133242355 - 2¹ = 133242353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133242353) 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, 225540 + ... + 226129.

It is an arithmetic number, because the mean of its divisors is an integer number (20325150).

Almost surely, 2^133242355 is an apocalyptic number.

133242355 is a deficient number, since it is larger than the sum of its proper divisors (29358845).

133242355 is an equidigital number, since it uses as much as digits as its factorization.

133242355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451733.

The product of its digits is 10800, while the sum is 28.

The square root of 133242355 is about 11543.0652341568. The cubic root of 133242355 is about 510.7567325658.

Adding to 133242355 its reverse (553242331), we get a palindrome (686484686).

The spelling of 133242355 in words is "one hundred thirty-three million, two hundred forty-two thousand, three hundred fifty-five".