133486852909 has 4 divisors (see below), whose sum is σ = 134808505020. Its totient is φ = 132165200800.

The previous prime is 133486852907. The next prime is 133486852913. The reversal of 133486852909 is 909258684331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 131573052900 + 1913800009 = 362730^2 + 43747^2 .

It is a cyclic number.

It is not a de Polignac number, because 133486852909 - 2¹ = 133486852907 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133486852907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 660825904 + ... + 660826105.

It is an arithmetic number, because the mean of its divisors is an integer number (33702126255).

Almost surely, 2^133486852909 is an apocalyptic number.

It is an amenable number.

133486852909 is a deficient number, since it is larger than the sum of its proper divisors (1321652111).

133486852909 is a wasteful number, since it uses less digits than its factorization.

133486852909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1321652110.

The product of its (nonzero) digits is 11197440, while the sum is 58.

The spelling of 133486852909 in words is "one hundred thirty-three billion, four hundred eighty-six million, eight hundred fifty-two thousand, nine hundred nine".