133343573 has 8 divisors (see below), whose sum is σ = 146669376. Its totient is φ = 121220220.

The previous prime is 133343549. The next prime is 133343579. The reversal of 133343573 is 375343331.

It is not a de Polignac number, because 133343573 - 2⁸ = 133343317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133343579) 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, 48761 + ... + 51422.

It is an arithmetic number, because the mean of its divisors is an integer number (18333672).

Almost surely, 2^133343573 is an apocalyptic number.

It is an amenable number.

133343573 is a deficient number, since it is larger than the sum of its proper divisors (13325803).

133343573 is an equidigital number, since it uses as much as digits as its factorization.

133343573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100216 (or 100194 counting only the distinct ones).

The product of its digits is 34020, while the sum is 32.

The square root of 133343573 is about 11547.4487658530. The cubic root of 133343573 is about 510.8860325162.

The spelling of 133343573 in words is "one hundred thirty-three million, three hundred forty-three thousand, five hundred seventy-three".