133355013 has 32 divisors (see below), whose sum is σ = 198329472. Its totient is φ = 79027200.

The previous prime is 133355003. The next prime is 133355039. The reversal of 133355013 is 310553331.

It is not a de Polignac number, because 133355013 - 2⁵ = 133354981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133355003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 474433 + ... + 474713.

It is an arithmetic number, because the mean of its divisors is an integer number (6197796).

Almost surely, 2^133355013 is an apocalyptic number.

It is an amenable number.

133355013 is a deficient number, since it is larger than the sum of its proper divisors (64974459).

133355013 is a wasteful number, since it uses less digits than its factorization.

133355013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565.

The product of its (nonzero) digits is 2025, while the sum is 24.

The square root of 133355013 is about 11547.9441027397. The cubic root of 133355013 is about 510.9006423169.

The spelling of 133355013 in words is "one hundred thirty-three million, three hundred fifty-five thousand, thirteen".