135735939 has 32 divisors (see below), whose sum is σ = 214885440. Its totient is φ = 84381696.

The previous prime is 135735911. The next prime is 135735991. The reversal of 135735939 is 939537531.

135735939 is a `hidden beast` number, since 1 + 3 + 57 + 3 + 593 + 9 = 666.

It is not a de Polignac number, because 135735939 - 2⁸ = 135735683 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 135735894 and 135735903.

It is not an unprimeable number, because it can be changed into a prime (135735139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50559 + ... + 53175.

It is an arithmetic number, because the mean of its divisors is an integer number (6715170).

Almost surely, 2^135735939 is an apocalyptic number.

135735939 is a deficient number, since it is larger than the sum of its proper divisors (79149501).

135735939 is a wasteful number, since it uses less digits than its factorization.

135735939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2756 (or 2750 counting only the distinct ones).

The product of its digits is 382725, while the sum is 45.

The square root of 135735939 is about 11650.5767668386. The cubic root of 135735939 is about 513.9232715134.

The spelling of 135735939 in words is "one hundred thirty-five million, seven hundred thirty-five thousand, nine hundred thirty-nine".