133501769 has 2 divisors, whose sum is σ = 133501770. Its totient is φ = 133501768.

The previous prime is 133501681. The next prime is 133501793. The reversal of 133501769 is 967105331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 129846025 + 3655744 = 11395^2 + 1912^2 .

It is a cyclic number.

It is not a de Polignac number, because 133501769 - 2¹² = 133497673 is a prime.

It is a super-2 number, since 2×133501769² = 35645444652258722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (133509769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66750884 + 66750885.

It is an arithmetic number, because the mean of its divisors is an integer number (66750885).

Almost surely, 2^133501769 is an apocalyptic number.

It is an amenable number.

133501769 is a deficient number, since it is larger than the sum of its proper divisors (1).

133501769 is an equidigital number, since it uses as much as digits as its factorization.

133501769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17010, while the sum is 35.

The square root of 133501769 is about 11554.2965601546. The cubic root of 133501769 is about 511.0879874734.

The spelling of 133501769 in words is "one hundred thirty-three million, five hundred one thousand, seven hundred sixty-nine".