135488713518947 has 2 divisors, whose sum is σ = 135488713518948. Its totient is φ = 135488713518946.

The previous prime is 135488713518877. The next prime is 135488713518959. The reversal of 135488713518947 is 749815317884531.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135488713518947 is a prime.

It is not a weakly prime, because it can be changed into another prime (135488713568947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67744356759473 + 67744356759474.

It is an arithmetic number, because the mean of its divisors is an integer number (67744356759474).

Almost surely, 2^{135488713518947} is an apocalyptic number.

135488713518947 is a deficient number, since it is larger than the sum of its proper divisors (1).

135488713518947 is an equidigital number, since it uses as much as digits as its factorization.

135488713518947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 812851200, while the sum is 74.

The spelling of 135488713518947 in words is "one hundred thirty-five trillion, four hundred eighty-eight billion, seven hundred thirteen million, five hundred eighteen thousand, nine hundred forty-seven".