133552013 has 8 divisors (see below), whose sum is σ = 153407232. Its totient is φ = 113890896.

The previous prime is 133551973. The next prime is 133552039. The reversal of 133552013 is 310255331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 133552013 - 2¹⁸ = 133289869 is a prime.

It is a super-2 number, since 2×133552013² = 35672280352704338, which contains 22 as substring.

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 133552013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133552043) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 47045 + ... + 49802.

It is an arithmetic number, because the mean of its divisors is an integer number (19175904).

Almost surely, 2^133552013 is an apocalyptic number.

It is an amenable number.

133552013 is a deficient number, since it is larger than the sum of its proper divisors (19855219).

133552013 is an equidigital number, since it uses as much as digits as its factorization.

133552013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97051.

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 133552013 is about 11556.4706117396. The cubic root of 133552013 is about 511.1520961970.

The spelling of 133552013 in words is "one hundred thirty-three million, five hundred fifty-two thousand, thirteen".