133015481 has 8 divisors (see below), whose sum is σ = 136847424. Its totient is φ = 129196080.

The previous prime is 133015457. The next prime is 133015501. The reversal of 133015481 is 184510331.

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

It is a cyclic number.

It is not a de Polignac number, because 133015481 - 2¹⁰ = 133014457 is a prime.

It is a super-2 number, since 2×133015481² = 35386236371322722, 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 133015481.

It is not an unprimeable number, because it can be changed into a prime (133015411) 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, 20996 + ... + 26586.

It is an arithmetic number, because the mean of its divisors is an integer number (17105928).

Almost surely, 2^133015481 is an apocalyptic number.

It is an amenable number.

133015481 is a deficient number, since it is larger than the sum of its proper divisors (3831943).

133015481 is an equidigital number, since it uses as much as digits as its factorization.

133015481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6271.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 133015481 is about 11533.2337616126. The cubic root of 133015481 is about 510.4666765145.

The spelling of 133015481 in words is "one hundred thirty-three million, fifteen thousand, four hundred eighty-one".