133873475 has 12 divisors (see below), whose sum is σ = 166261680. Its totient is φ = 106932000.

The previous prime is 133873457. The next prime is 133873507. The reversal of 133873475 is 574378331.

It is not a de Polignac number, because 133873475 - 2¹⁰ = 133872451 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13706 + ... + 21344.

It is an arithmetic number, because the mean of its divisors is an integer number (13855140).

Almost surely, 2^133873475 is an apocalyptic number.

133873475 is a deficient number, since it is larger than the sum of its proper divisors (32388205).

133873475 is an equidigital number, since it uses as much as digits as its factorization.

133873475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8350 (or 8345 counting only the distinct ones).

The product of its digits is 211680, while the sum is 41.

The square root of 133873475 is about 11570.3705645066. The cubic root of 133873475 is about 511.5618848887.

The spelling of 133873475 in words is "one hundred thirty-three million, eight hundred seventy-three thousand, four hundred seventy-five".