135896984 has 8 divisors (see below), whose sum is σ = 254806860. Its totient is φ = 67948488.

The previous prime is 135896977. The next prime is 135896993. The reversal of 135896984 is 489698531.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8493554 + ... + 8493569.

Almost surely, 2^135896984 is an apocalyptic number.

It is an amenable number.

135896984 is a deficient number, since it is larger than the sum of its proper divisors (118909876).

135896984 is a wasteful number, since it uses less digits than its factorization.

135896984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16987129 (or 16987125 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 53.

The square root of 135896984 is about 11657.4861784177. The cubic root of 135896984 is about 514.1264406547.

The spelling of 135896984 in words is "one hundred thirty-five million, eight hundred ninety-six thousand, nine hundred eighty-four".