135311143424 has 40 divisors (see below), whose sum is σ = 270490795740. Its totient is φ = 67622342656.

The previous prime is 135311143423. The next prime is 135311143427. The reversal of 135311143424 is 424341113531.

It can be written as a sum of positive squares in 2 ways, for example, as 99502393600 + 35808749824 = 315440^2 + 189232^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (135311143423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 995462 + ... + 1123194.

Almost surely, 2^135311143424 is an apocalyptic number.

It is an amenable number.

135311143424 is a deficient number, since it is larger than the sum of its proper divisors (135179652316).

135311143424 is an equidigital number, since it uses as much as digits as its factorization.

135311143424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129820 (or 129804 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

Adding to 135311143424 its reverse (424341113531), we get a palindrome (559652256955).

The spelling of 135311143424 in words is "one hundred thirty-five billion, three hundred eleven million, one hundred forty-three thousand, four hundred twenty-four".