135364178570722 has 32 divisors (see below), whose sum is σ = 206913230924400. Its totient is φ = 66398903116800.

The previous prime is 135364178570639. The next prime is 135364178570743. The reversal of 135364178570722 is 227075871463531.

It can be written as a sum of positive squares in 8 ways, for example, as 7134395918841 + 128229782651881 = 2671029^2 + 11323859^2 .

It is a Harshad number since it is a multiple of its sum of digits (61).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2236617822 + ... + 2236678342.

Almost surely, 2^{135364178570722} is an apocalyptic number.

135364178570722 is a deficient number, since it is larger than the sum of its proper divisors (71549052353678).

135364178570722 is a wasteful number, since it uses less digits than its factorization.

135364178570722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108102.

The product of its (nonzero) digits is 59270400, while the sum is 61.

The spelling of 135364178570722 in words is "one hundred thirty-five trillion, three hundred sixty-four billion, one hundred seventy-eight million, five hundred seventy thousand, seven hundred twenty-two".