133481363 has 16 divisors (see below), whose sum is σ = 141111936. Its totient is φ = 126120960.

The previous prime is 133481357. The next prime is 133481371. The reversal of 133481363 is 363184331.

It is a cyclic number.

It is not a de Polignac number, because 133481363 - 2¹⁴ = 133464979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133481393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 217445 + ... + 218057.

It is an arithmetic number, because the mean of its divisors is an integer number (8819496).

Almost surely, 2^133481363 is an apocalyptic number.

133481363 is a deficient number, since it is larger than the sum of its proper divisors (7630573).

133481363 is a wasteful number, since it uses less digits than its factorization.

133481363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814.

The product of its digits is 15552, while the sum is 32.

The square root of 133481363 is about 11553.4134782756. The cubic root of 133481363 is about 511.0619458887.

The spelling of 133481363 in words is "one hundred thirty-three million, four hundred eighty-one thousand, three hundred sixty-three".