133630583 has 2 divisors, whose sum is σ = 133630584. Its totient is φ = 133630582.

The previous prime is 133630577. The next prime is 133630589. The reversal of 133630583 is 385036331.

It is a balanced prime because it is at equal distance from previous prime (133630577) and next prime (133630589).

It is a cyclic number.

It is not a de Polignac number, because 133630583 - 2²⁰ = 132582007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133630589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66815291 + 66815292.

It is an arithmetic number, because the mean of its divisors is an integer number (66815292).

Almost surely, 2^133630583 is an apocalyptic number.

133630583 is a deficient number, since it is larger than the sum of its proper divisors (1).

133630583 is an equidigital number, since it uses as much as digits as its factorization.

133630583 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 133630583 is about 11559.8695061839. The cubic root of 133630583 is about 511.2523151957.

The spelling of 133630583 in words is "one hundred thirty-three million, six hundred thirty thousand, five hundred eighty-three".