135181736 has 16 divisors (see below), whose sum is σ = 255317940. Its totient is φ = 67096960.

The previous prime is 135181727. The next prime is 135181759. The reversal of 135181736 is 637181531.

135181736 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 118940836 + 16240900 = 10906^2 + 4030^2 .

It is a junction number, because it is equal to n+sod(n) for n = 135181696 and 135181705.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60575 + ... + 62766.

Almost surely, 2^135181736 is an apocalyptic number.

It is an amenable number.

135181736 is a deficient number, since it is larger than the sum of its proper divisors (120136204).

135181736 is a wasteful number, since it uses less digits than its factorization.

135181736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123484 (or 123480 counting only the distinct ones).

The product of its digits is 15120, while the sum is 35.

The square root of 135181736 is about 11626.7680805975. The cubic root of 135181736 is about 513.2228764796. Note that the first 3 decimals are identical.

The spelling of 135181736 in words is "one hundred thirty-five million, one hundred eighty-one thousand, seven hundred thirty-six".