135980612 has 12 divisors (see below), whose sum is σ = 238072380. Its totient is φ = 67959936.

The previous prime is 135980609. The next prime is 135980617. The reversal of 135980612 is 216089531.

It can be written as a sum of positive squares in 2 ways, for example, as 123121216 + 12859396 = 11096^2 + 3586^2 .

It is not an unprimeable number, because it can be changed into a prime (135980617) 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 3 ways as a sum of consecutive naturals, for example, 4688 + ... + 17144.

It is an arithmetic number, because the mean of its divisors is an integer number (19839365).

Almost surely, 2^135980612 is an apocalyptic number.

It is an amenable number.

135980612 is a deficient number, since it is larger than the sum of its proper divisors (102091768).

135980612 is a wasteful number, since it uses less digits than its factorization.

135980612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15190 (or 15188 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 135980612 is about 11661.0725064207. The cubic root of 135980612 is about 514.2318797117.

The spelling of 135980612 in words is "one hundred thirty-five million, nine hundred eighty thousand, six hundred twelve".