133120279 has 2 divisors, whose sum is σ = 133120280. Its totient is φ = 133120278.

The previous prime is 133120261. The next prime is 133120301. The reversal of 133120279 is 972021331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133120279 - 2¹¹ = 133118231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133120879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66560139 + 66560140.

It is an arithmetic number, because the mean of its divisors is an integer number (66560140).

Almost surely, 2^133120279 is an apocalyptic number.

133120279 is a deficient number, since it is larger than the sum of its proper divisors (1).

133120279 is an equidigital number, since it uses as much as digits as its factorization.

133120279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 133120279 is about 11537.7761722093. The cubic root of 133120279 is about 510.6007006230.

The spelling of 133120279 in words is "one hundred thirty-three million, one hundred twenty thousand, two hundred seventy-nine".