133526673 has 24 divisors (see below), whose sum is σ = 226386368. Its totient is φ = 74237472.

The previous prime is 133526609. The next prime is 133526677. The reversal of 133526673 is 376625331.

It is not a de Polignac number, because 133526673 - 2⁶ = 133526609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133526677) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26311 + ... + 30972.

Almost surely, 2^133526673 is an apocalyptic number.

It is an amenable number.

133526673 is a deficient number, since it is larger than the sum of its proper divisors (92859695).

133526673 is a wasteful number, since it uses less digits than its factorization.

133526673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57333 (or 57330 counting only the distinct ones).

The product of its digits is 68040, while the sum is 36.

The square root of 133526673 is about 11555.3742042393. The cubic root of 133526673 is about 511.1197656887.

The spelling of 133526673 in words is "one hundred thirty-three million, five hundred twenty-six thousand, six hundred seventy-three".