135420361603 has 8 divisors (see below), whose sum is σ = 136119490416. Its totient is φ = 134722500000.

The previous prime is 135420361597. The next prime is 135420361621. The reversal of 135420361603 is 306163024531.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135420361603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135420361673) 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, 102148 + ... + 530353.

It is an arithmetic number, because the mean of its divisors is an integer number (17014936302).

Almost surely, 2^135420361603 is an apocalyptic number.

135420361603 is a deficient number, since it is larger than the sum of its proper divisors (699128813).

135420361603 is an equidigital number, since it uses as much as digits as its factorization.

135420361603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633605.

The product of its (nonzero) digits is 38880, while the sum is 34.

The spelling of 135420361603 in words is "one hundred thirty-five billion, four hundred twenty million, three hundred sixty-one thousand, six hundred three".