135283027941493 has 4 divisors (see below), whose sum is σ = 143240853114540. Its totient is φ = 127325202768448.

The previous prime is 135283027941487. The next prime is 135283027941547. The reversal of 135283027941493 is 394149720382531.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 116201349986929 + 19081677954564 = 10779673^2 + 4368258^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135283027941493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135283027941793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3978912586498 + ... + 3978912586531.

It is an arithmetic number, because the mean of its divisors is an integer number (35810213278635).

Almost surely, 2^{135283027941493} is an apocalyptic number.

It is an amenable number.

135283027941493 is a deficient number, since it is larger than the sum of its proper divisors (7957825173047).

135283027941493 is an equidigital number, since it uses as much as digits as its factorization.

135283027941493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7957825173046.

The product of its (nonzero) digits is 39191040, while the sum is 61.

The spelling of 135283027941493 in words is "one hundred thirty-five trillion, two hundred eighty-three billion, twenty-seven million, nine hundred forty-one thousand, four hundred ninety-three".