133103779 has 2 divisors, whose sum is σ = 133103780. Its totient is φ = 133103778.

The previous prime is 133103743. The next prime is 133103821. The reversal of 133103779 is 977301331.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133103779 - 2⁷ = 133103651 is a prime.

It is not a weakly prime, because it can be changed into another prime (133101779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66551889 + 66551890.

It is an arithmetic number, because the mean of its divisors is an integer number (66551890).

Almost surely, 2^133103779 is an apocalyptic number.

133103779 is a deficient number, since it is larger than the sum of its proper divisors (1).

133103779 is an equidigital number, since it uses as much as digits as its factorization.

133103779 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11907, while the sum is 34.

The square root of 133103779 is about 11537.0611075785. The cubic root of 133103779 is about 510.5796037630.

The spelling of 133103779 in words is "one hundred thirty-three million, one hundred three thousand, seven hundred seventy-nine".