135031015403 has 4 divisors (see below), whose sum is σ = 135141426288. Its totient is φ = 134920604520.

The previous prime is 135031015391. The next prime is 135031015421. The reversal of 135031015403 is 304510130531.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135031015403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135031015433) 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, 55203608 + ... + 55206053.

It is an arithmetic number, because the mean of its divisors is an integer number (33785356572).

Almost surely, 2^135031015403 is an apocalyptic number.

135031015403 is a deficient number, since it is larger than the sum of its proper divisors (110410885).

135031015403 is a wasteful number, since it uses less digits than its factorization.

135031015403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110410884.

The product of its (nonzero) digits is 2700, while the sum is 26.

Adding to 135031015403 its reverse (304510130531), we get a palindrome (439541145934).

The spelling of 135031015403 in words is "one hundred thirty-five billion, thirty-one million, fifteen thousand, four hundred three".