135756171767165 has 16 divisors (see below), whose sum is σ = 166789442759808. Its totient is φ = 106019746088256.

The previous prime is 135756171767119. The next prime is 135756171767189. The reversal of 135756171767165 is 561767171657531.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 135756171767165 - 2⁴⁴ = 118163985722749 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 135756171767095 and 135756171767104.

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, 176684534 + ... + 177451223.

It is an arithmetic number, because the mean of its divisors is an integer number (10424340172488).

Almost surely, 2^{135756171767165} is an apocalyptic number.

It is an amenable number.

135756171767165 is a deficient number, since it is larger than the sum of its proper divisors (31033270992643).

135756171767165 is a wasteful number, since it uses less digits than its factorization.

135756171767165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354137588.

The product of its digits is 194481000, while the sum is 68.

The spelling of 135756171767165 in words is "one hundred thirty-five trillion, seven hundred fifty-six billion, one hundred seventy-one million, seven hundred sixty-seven thousand, one hundred sixty-five".