133742038861 has 2 divisors, whose sum is σ = 133742038862. Its totient is φ = 133742038860.

The previous prime is 133742038831. The next prime is 133742038897. The reversal of 133742038861 is 168830247331.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120069180100 + 13672858761 = 346510^2 + 116931^2 .

It is a cyclic number.

It is not a de Polignac number, because 133742038861 - 2⁹ = 133742038349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133742038831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66871019430 + 66871019431.

It is an arithmetic number, because the mean of its divisors is an integer number (66871019431).

Almost surely, 2^133742038861 is an apocalyptic number.

It is an amenable number.

133742038861 is a deficient number, since it is larger than the sum of its proper divisors (1).

133742038861 is an equidigital number, since it uses as much as digits as its factorization.

133742038861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 46.

The spelling of 133742038861 in words is "one hundred thirty-three billion, seven hundred forty-two million, thirty-eight thousand, eight hundred sixty-one".