133504026 has 16 divisors (see below), whose sum is σ = 282714624. Its totient is φ = 41883584.

The previous prime is 133504001. The next prime is 133504031. The reversal of 133504026 is 620405331.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 133503987 and 133504005.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 654330 + ... + 654533.

It is an arithmetic number, because the mean of its divisors is an integer number (17669664).

Almost surely, 2^133504026 is an apocalyptic number.

133504026 is an abundant number, since it is smaller than the sum of its proper divisors (149210598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133504026 is a wasteful number, since it uses less digits than its factorization.

133504026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1308885.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 133504026 is about 11554.3942290368. The cubic root of 133504026 is about 511.0908676327.

Adding to 133504026 its reverse (620405331), we get a palindrome (753909357).

The spelling of 133504026 in words is "one hundred thirty-three million, five hundred four thousand, twenty-six".