133366245 has 8 divisors (see below), whose sum is σ = 213386016. Its totient is φ = 71128656.

The previous prime is 133366243. The next prime is 133366249. The reversal of 133366245 is 542663331.

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

It is not a de Polignac number, because 133366245 - 2¹ = 133366243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133366243) 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, 4445527 + ... + 4445556.

It is an arithmetic number, because the mean of its divisors is an integer number (26673252).

Almost surely, 2^133366245 is an apocalyptic number.

133366245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

133366245 is a deficient number, since it is larger than the sum of its proper divisors (80019771).

133366245 is an equidigital number, since it uses as much as digits as its factorization.

133366245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8891091.

The product of its digits is 38880, while the sum is 33.

The square root of 133366245 is about 11548.4304128310. The cubic root of 133366245 is about 510.9149856720.

The spelling of 133366245 in words is "one hundred thirty-three million, three hundred sixty-six thousand, two hundred forty-five".