133316373 has 4 divisors (see below), whose sum is σ = 177755168. Its totient is φ = 88877580.

The previous prime is 133316353. The next prime is 133316377. The reversal of 133316373 is 373613331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 133316373 - 2¹³ = 133308181 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133316373.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133316377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22219393 + ... + 22219398.

It is an arithmetic number, because the mean of its divisors is an integer number (44438792).

Almost surely, 2^133316373 is an apocalyptic number.

It is an amenable number.

133316373 is a deficient number, since it is larger than the sum of its proper divisors (44438795).

133316373 is an equidigital number, since it uses as much as digits as its factorization.

133316373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44438794.

The product of its digits is 10206, while the sum is 30.

The square root of 133316373 is about 11546.2709564604. The cubic root of 133316373 is about 510.8512925715.

The spelling of 133316373 in words is "one hundred thirty-three million, three hundred sixteen thousand, three hundred seventy-three".