135305431002 has 48 divisors (see below), whose sum is σ = 335411698752. Its totient is φ = 38616039360.

The previous prime is 135305430991. The next prime is 135305431039. The reversal of 135305431002 is 200134503531.

135305431002 is a `hidden beast` number, since 13 + 5 + 3 + 0 + 543 + 100 + 2 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 477699 + ... + 706262.

It is an arithmetic number, because the mean of its divisors is an integer number (6987743724).

Almost surely, 2^135305431002 is an apocalyptic number.

135305431002 is an abundant number, since it is smaller than the sum of its proper divisors (200106267750).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135305431002 is a wasteful number, since it uses less digits than its factorization.

135305431002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1184883 (or 1184880 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 135305431002 its reverse (200134503531), we get a palindrome (335439934533).

The spelling of 135305431002 in words is "one hundred thirty-five billion, three hundred five million, four hundred thirty-one thousand, two".