135252045403 has 4 divisors (see below), whose sum is σ = 135275455240. Its totient is φ = 135228635568.

The previous prime is 135252045343. The next prime is 135252045427. The reversal of 135252045403 is 304540252531.

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

It is a cyclic number.

It is not a de Polignac number, because 135252045403 - 2⁹ = 135252044891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135252046403) 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, 11696250 + ... + 11707807.

It is an arithmetic number, because the mean of its divisors is an integer number (33818863810).

Almost surely, 2^135252045403 is an apocalyptic number.

135252045403 is a deficient number, since it is larger than the sum of its proper divisors (23409837).

135252045403 is an equidigital number, since it uses as much as digits as its factorization.

135252045403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23409836.

The product of its (nonzero) digits is 72000, while the sum is 34.

Adding to 135252045403 its reverse (304540252531), we get a palindrome (439792297934).

The spelling of 135252045403 in words is "one hundred thirty-five billion, two hundred fifty-two million, forty-five thousand, four hundred three".