403968133 has 2 divisors, whose sum is σ = 403968134. Its totient is φ = 403968132.

The previous prime is 403968119. The next prime is 403968143. The reversal of 403968133 is 331869304.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 270865764 + 133102369 = 16458^2 + 11537^2 .

It is a cyclic number.

It is not a de Polignac number, because 403968133 - 2¹⁷ = 403837061 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 403968092 and 403968101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (403968143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201984066 + 201984067.

It is an arithmetic number, because the mean of its divisors is an integer number (201984067).

Almost surely, 2^403968133 is an apocalyptic number.

It is an amenable number.

403968133 is a deficient number, since it is larger than the sum of its proper divisors (1).

403968133 is an equidigital number, since it uses as much as digits as its factorization.

403968133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 403968133 is about 20098.9585053554. The cubic root of 403968133 is about 739.2347415209.

The spelling of 403968133 in words is "four hundred three million, nine hundred sixty-eight thousand, one hundred thirty-three".