133742720141 has 2 divisors, whose sum is σ = 133742720142. Its totient is φ = 133742720140.

The previous prime is 133742720129. The next prime is 133742720183. The reversal of 133742720141 is 141027247331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98562090916 + 35180629225 = 313946^2 + 187565^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133742720141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133742720101) 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, 66871360070 + 66871360071.

It is an arithmetic number, because the mean of its divisors is an integer number (66871360071).

Almost surely, 2^133742720141 is an apocalyptic number.

It is an amenable number.

133742720141 is a deficient number, since it is larger than the sum of its proper divisors (1).

133742720141 is an equidigital number, since it uses as much as digits as its factorization.

133742720141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 35.

Adding to 133742720141 its reverse (141027247331), we get a palindrome (274769967472).

The spelling of 133742720141 in words is "one hundred thirty-three billion, seven hundred forty-two million, seven hundred twenty thousand, one hundred forty-one".