133963393 has 2 divisors, whose sum is σ = 133963394. Its totient is φ = 133963392.

The previous prime is 133963387. The next prime is 133963457. The reversal of 133963393 is 393369331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120626289 + 13337104 = 10983^2 + 3652^2 .

It is a cyclic number.

It is not a de Polignac number, because 133963393 - 2¹³ = 133955201 is a prime.

It is not a weakly prime, because it can be changed into another prime (133963303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66981696 + 66981697.

It is an arithmetic number, because the mean of its divisors is an integer number (66981697).

Almost surely, 2^133963393 is an apocalyptic number.

It is an amenable number.

133963393 is a deficient number, since it is larger than the sum of its proper divisors (1).

133963393 is an equidigital number, since it uses as much as digits as its factorization.

133963393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 118098, while the sum is 40.

The square root of 133963393 is about 11574.2556132133. The cubic root of 133963393 is about 511.6763918311.

The spelling of 133963393 in words is "one hundred thirty-three million, nine hundred sixty-three thousand, three hundred ninety-three".