136543522786 has 12 divisors (see below), whose sum is σ = 225127544166. Its totient is φ = 62065237520.

The previous prime is 136543522747. The next prime is 136543522873. The reversal of 136543522786 is 687225345631.

It can be written as a sum of positive squares in only one way, i.e., 135557248761 + 986274025 = 368181^2 + 31405^2 .

It is a super-2 number, since 2×136543522786² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 282114475 + ... + 282114958.

Almost surely, 2^136543522786 is an apocalyptic number.

136543522786 is a deficient number, since it is larger than the sum of its proper divisors (88584021380).

136543522786 is a wasteful number, since it uses less digits than its factorization.

136543522786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564229457 (or 564229446 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 52.

The spelling of 136543522786 in words is "one hundred thirty-six billion, five hundred forty-three million, five hundred twenty-two thousand, seven hundred eighty-six".