135918108736 has 14 divisors (see below), whose sum is σ = 269712497150. Its totient is φ = 67959054336.

The previous prime is 135918108721. The next prime is 135918108811. The reversal of 135918108736 is 637801819531.

It can be written as a sum of positive squares in only one way, i.e., 134647899136 + 1270209600 = 366944^2 + 35640^2 .

It is a super-2 number, since 2×135918108736² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061860161 + ... + 1061860288.

Almost surely, 2^135918108736 is an apocalyptic number.

135918108736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

135918108736 is a deficient number, since it is larger than the sum of its proper divisors (133794388414).

135918108736 is an equidigital number, since it uses as much as digits as its factorization.

135918108736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2123720461 (or 2123720451 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 52.

The spelling of 135918108736 in words is "one hundred thirty-five billion, nine hundred eighteen million, one hundred eight thousand, seven hundred thirty-six".