135403652443 has 8 divisors (see below), whose sum is σ = 136729821600. Its totient is φ = 134079727488.

The previous prime is 135403652413. The next prime is 135403652473. The reversal of 135403652443 is 344256304531.

It is an interprime number because it is at equal distance from previous prime (135403652413) and next prime (135403652473).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 135403652443 - 2²¹ = 135401555291 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 135403652396 and 135403652405.

It is not an unprimeable number, because it can be changed into a prime (135403652413) 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 in 7 ways as a sum of consecutive naturals, for example, 439663 + ... + 681256.

It is an arithmetic number, because the mean of its divisors is an integer number (17091227700).

Almost surely, 2^135403652443 is an apocalyptic number.

135403652443 is a deficient number, since it is larger than the sum of its proper divisors (1326169157).

135403652443 is a wasteful number, since it uses less digits than its factorization.

135403652443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122101.

The product of its (nonzero) digits is 518400, while the sum is 40.

Adding to 135403652443 its reverse (344256304531), we get a palindrome (479659956974).

The spelling of 135403652443 in words is "one hundred thirty-five billion, four hundred three million, six hundred fifty-two thousand, four hundred forty-three".