135402044434 has 16 divisors (see below), whose sum is σ = 203855505048. Its totient is φ = 67450505472.

The previous prime is 135402044413. The next prime is 135402044441. The reversal of 135402044434 is 434440204531.

It can be written as a sum of positive squares in 4 ways, for example, as 133126468225 + 2275576209 = 364865^2 + 47703^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 135402044434.

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 7 ways as a sum of consecutive naturals, for example, 852244 + ... + 998560.

Almost surely, 2^135402044434 is an apocalyptic number.

135402044434 is a deficient number, since it is larger than the sum of its proper divisors (68453460614).

135402044434 is a wasteful number, since it uses less digits than its factorization.

135402044434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148029.

The product of its (nonzero) digits is 92160, while the sum is 34.

Adding to 135402044434 its reverse (434440204531), we get a palindrome (569842248965).

The spelling of 135402044434 in words is "one hundred thirty-five billion, four hundred two million, forty-four thousand, four hundred thirty-four".