133620227 has 8 divisors (see below), whose sum is σ = 143989776. Its totient is φ = 123263712.

The previous prime is 133620203. The next prime is 133620233. The reversal of 133620227 is 722026331.

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

It is not a de Polignac number, because 133620227 - 2¹⁰ = 133619203 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133620196 and 133620205.

It is not an unprimeable number, because it can be changed into a prime (133620247) 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, 33293 + ... + 37089.

It is an arithmetic number, because the mean of its divisors is an integer number (17998722).

Almost surely, 2^133620227 is an apocalyptic number.

133620227 is a deficient number, since it is larger than the sum of its proper divisors (10369549).

133620227 is a wasteful number, since it uses less digits than its factorization.

133620227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6517.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 133620227 is about 11559.4215685734. The cubic root of 133620227 is about 511.2391079751.

Adding to 133620227 its reverse (722026331), we get a palindrome (855646558).

The spelling of 133620227 in words is "one hundred thirty-three million, six hundred twenty thousand, two hundred twenty-seven".