135403554303 has 36 divisors (see below), whose sum is σ = 207912229200. Its totient is φ = 84622196736.

The previous prime is 135403554263. The next prime is 135403554317. The reversal of 135403554303 is 303455304531.

135403554303 is a `hidden beast` number, since 1 + 3 + 540 + 35 + 54 + 30 + 3 = 666.

It is not a de Polignac number, because 135403554303 - 2¹⁶ = 135403488767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135403554343) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 10098798 + ... + 10112196.

It is an arithmetic number, because the mean of its divisors is an integer number (5775339700).

Almost surely, 2^135403554303 is an apocalyptic number.

135403554303 is a deficient number, since it is larger than the sum of its proper divisors (72508674897).

135403554303 is a wasteful number, since it uses less digits than its factorization.

135403554303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13936 (or 13676 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 36.

Adding to 135403554303 its reverse (303455304531), we get a palindrome (438858858834).

The spelling of 135403554303 in words is "one hundred thirty-five billion, four hundred three million, five hundred fifty-four thousand, three hundred three".