135764245444 has 9 divisors (see below), whose sum is σ = 237588719151. Its totient is φ = 67881754260.

The previous prime is 135764245433. The next prime is 135764245471. The reversal of 135764245444 is 444542467531.

The square root of 135764245444 is 368462.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 644809 + ... + 829039.

Almost surely, 2^135764245444 is an apocalyptic number.

135764245444 is the 368462-nd square number.

It is an amenable number.

135764245444 is a deficient number, since it is larger than the sum of its proper divisors (101824473707).

135764245444 is an frugal number, since it uses more digits than its factorization.

135764245444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368466 (or 184233 counting only the distinct ones).

The product of its digits is 6451200, while the sum is 49.

Multiplying 135764245444 by its sum of digits (49), we get a square (6652448026756 = 2579234²).

The spelling of 135764245444 in words is "one hundred thirty-five billion, seven hundred sixty-four million, two hundred forty-five thousand, four hundred forty-four".