133412032409 has 2 divisors, whose sum is σ = 133412032410. Its totient is φ = 133412032408.

The previous prime is 133412032399. The next prime is 133412032433. The reversal of 133412032409 is 904230214331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 123225571225 + 10186461184 = 351035^2 + 100928^2 .

It is an emirp because it is prime and its reverse (904230214331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133412032409 - 2²⁸ = 133143596953 is a prime.

It is not a weakly prime, because it can be changed into another prime (133412032009) 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 as a sum of consecutive naturals, namely, 66706016204 + 66706016205.

It is an arithmetic number, because the mean of its divisors is an integer number (66706016205).

Almost surely, 2^133412032409 is an apocalyptic number.

It is an amenable number.

133412032409 is a deficient number, since it is larger than the sum of its proper divisors (1).

133412032409 is an equidigital number, since it uses as much as digits as its factorization.

133412032409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 32.

The spelling of 133412032409 in words is "one hundred thirty-three billion, four hundred twelve million, thirty-two thousand, four hundred nine".