133056413 has 6 divisors (see below), whose sum is σ = 154779966. Its totient is φ = 114048312.

The previous prime is 133056377. The next prime is 133056419. The reversal of 133056413 is 314650331.

It can be written as a sum of positive squares in only one way, i.e., 104305369 + 28751044 = 10213^2 + 5362^2 .

It is not a de Polignac number, because 133056413 - 2⁶ = 133056349 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133056419) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1357670 + ... + 1357767.

It is an arithmetic number, because the mean of its divisors is an integer number (25796661).

Almost surely, 2^133056413 is an apocalyptic number.

It is an amenable number.

133056413 is a deficient number, since it is larger than the sum of its proper divisors (21723553).

133056413 is an equidigital number, since it uses as much as digits as its factorization.

133056413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2715451 (or 2715444 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 133056413 is about 11535.0081491085. The cubic root of 133056413 is about 510.5190320223.

The spelling of 133056413 in words is "one hundred thirty-three million, fifty-six thousand, four hundred thirteen".