135941961739 has 2 divisors, whose sum is σ = 135941961740. Its totient is φ = 135941961738.

The previous prime is 135941961721. The next prime is 135941961823. The reversal of 135941961739 is 937169149531.

It is a weak prime.

It is an emirp because it is prime and its reverse (937169149531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 135941961739 - 2⁹ = 135941961227 is a prime.

It is a super-2 number, since 2×135941961739² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (135041961739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67970980869 + 67970980870.

It is an arithmetic number, because the mean of its divisors is an integer number (67970980870).

Almost surely, 2^135941961739 is an apocalyptic number.

135941961739 is a deficient number, since it is larger than the sum of its proper divisors (1).

135941961739 is an equidigital number, since it uses as much as digits as its factorization.

135941961739 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5511240, while the sum is 58.

The spelling of 135941961739 in words is "one hundred thirty-five billion, nine hundred forty-one million, nine hundred sixty-one thousand, seven hundred thirty-nine".