133470769 has 2 divisors, whose sum is σ = 133470770. Its totient is φ = 133470768.

The previous prime is 133470761. The next prime is 133470781. The reversal of 133470769 is 967074331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 132549169 + 921600 = 11513^2 + 960^2 .

It is a cyclic number.

It is not a de Polignac number, because 133470769 - 2³ = 133470761 is a prime.

It is a super-2 number, since 2×133470769² = 35628892354902722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (133470761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66735384 + 66735385.

It is an arithmetic number, because the mean of its divisors is an integer number (66735385).

Almost surely, 2^133470769 is an apocalyptic number.

It is an amenable number.

133470769 is a deficient number, since it is larger than the sum of its proper divisors (1).

133470769 is an equidigital number, since it uses as much as digits as its factorization.

133470769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 95256, while the sum is 40.

The square root of 133470769 is about 11552.9549899582. The cubic root of 133470769 is about 511.0484250661.

The spelling of 133470769 in words is "one hundred thirty-three million, four hundred seventy thousand, seven hundred sixty-nine".