133226427 has 8 divisors (see below), whose sum is σ = 181766464. Its totient is φ = 86752008.

The previous prime is 133226411. The next prime is 133226441. The reversal of 133226427 is 724622331.

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

It is not a de Polignac number, because 133226427 - 2⁴ = 133226411 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133226394 and 133226403.

It is not an unprimeable number, because it can be changed into a prime (133226447) 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, 516253 + ... + 516510.

It is an arithmetic number, because the mean of its divisors is an integer number (22720808).

Almost surely, 2^133226427 is an apocalyptic number.

133226427 is a deficient number, since it is larger than the sum of its proper divisors (48540037).

133226427 is a wasteful number, since it uses less digits than its factorization.

133226427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1032809.

The product of its digits is 12096, while the sum is 30.

The square root of 133226427 is about 11542.3752754795. The cubic root of 133226427 is about 510.7363795346.

Adding to 133226427 its reverse (724622331), we get a palindrome (857848758).

The spelling of 133226427 in words is "one hundred thirty-three million, two hundred twenty-six thousand, four hundred twenty-seven".