133223049 has 12 divisors (see below), whose sum is σ = 199560816. Its totient is φ = 88815204.

The previous prime is 133223039. The next prime is 133223053. The reversal of 133223049 is 940322331.

It is a happy number.

It is not a de Polignac number, because 133223049 - 2¹³ = 133214857 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (133223009) 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, 273879 + ... + 274364.

It is an arithmetic number, because the mean of its divisors is an integer number (16630068).

Almost surely, 2^133223049 is an apocalyptic number.

It is an amenable number.

133223049 is a deficient number, since it is larger than the sum of its proper divisors (66337767).

133223049 is an frugal number, since it uses more digits than its factorization.

133223049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548258 (or 548246 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 133223049 is about 11542.2289441858. The cubic root of 133223049 is about 510.7320628683.

The spelling of 133223049 in words is "one hundred thirty-three million, two hundred twenty-three thousand, forty-nine".