135961068 has 12 divisors (see below), whose sum is σ = 317242520. Its totient is φ = 45320352.

The previous prime is 135961057. The next prime is 135961069. The reversal of 135961068 is 860169531.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (135961069) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 5665033 + ... + 5665056.

Almost surely, 2^135961068 is an apocalyptic number.

It is an amenable number.

135961068 is an abundant number, since it is smaller than the sum of its proper divisors (181281452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135961068 is a wasteful number, since it uses less digits than its factorization.

135961068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11330096 (or 11330094 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 135961068 is about 11660.2344744864. The cubic root of 135961068 is about 514.2072423039.

The spelling of 135961068 in words is "one hundred thirty-five million, nine hundred sixty-one thousand, sixty-eight".