135623385743166 has 32 divisors (see below), whose sum is σ = 306493527110400. Its totient is φ = 44441561428920.

The previous prime is 135623385743113. The next prime is 135623385743227. The reversal of 135623385743166 is 661347583326531.

It is a happy number.

135623385743166 is a `hidden beast` number, since 1 + 3 + 5 + 6 + 23 + 3 + 8 + 574 + 31 + 6 + 6 = 666.

It is a super-2 number, since 2×135623385743166² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21284269530 + ... + 21284275901.

It is an arithmetic number, because the mean of its divisors is an integer number (9577922722200).

Almost surely, 2^{135623385743166} is an apocalyptic number.

135623385743166 is an abundant number, since it is smaller than the sum of its proper divisors (170870141367234).

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

135623385743166 is a wasteful number, since it uses less digits than its factorization.

135623385743166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42568545501 (or 42568545495 counting only the distinct ones).

The product of its digits is 195955200, while the sum is 63.

The spelling of 135623385743166 in words is "one hundred thirty-five trillion, six hundred twenty-three billion, three hundred eighty-five million, seven hundred forty-three thousand, one hundred sixty-six".