135723164255544 has 32 divisors (see below), whose sum is σ = 339308202816000. Its totient is φ = 45241015794912.

The previous prime is 135723164255533. The next prime is 135723164255551. The reversal of 135723164255544 is 445552461327531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44413087 + ... + 47370545.

It is an arithmetic number, because the mean of its divisors is an integer number (10603381338000).

Almost surely, 2^{135723164255544} is an apocalyptic number.

It is an amenable number.

135723164255544 is an abundant number, since it is smaller than the sum of its proper divisors (203585038560456).

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

135723164255544 is a wasteful number, since it uses less digits than its factorization.

135723164255544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4869627 (or 4869623 counting only the distinct ones).

The product of its digits is 60480000, while the sum is 57.

The spelling of 135723164255544 in words is "one hundred thirty-five trillion, seven hundred twenty-three billion, one hundred sixty-four million, two hundred fifty-five thousand, five hundred forty-four".