135345510644 has 12 divisors (see below), whose sum is σ = 236987945124. Its totient is φ = 67634669184.

The previous prime is 135345510631. The next prime is 135345510667. The reversal of 135345510644 is 446015543531.

It can be written as a sum of positive squares in 2 ways, for example, as 77919139600 + 57426371044 = 279140^2 + 239638^2 .

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 9513539 + ... + 9527754.

It is an arithmetic number, because the mean of its divisors is an integer number (19748995427).

Almost surely, 2^135345510644 is an apocalyptic number.

It is an amenable number.

135345510644 is a deficient number, since it is larger than the sum of its proper divisors (101642434480).

135345510644 is a wasteful number, since it uses less digits than its factorization.

135345510644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19043074 (or 19043072 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 41.

The spelling of 135345510644 in words is "one hundred thirty-five billion, three hundred forty-five million, five hundred ten thousand, six hundred forty-four".