136665251116 has 24 divisors (see below), whose sum is σ = 240662442384. Its totient is φ = 67905109440.

The previous prime is 136665251003. The next prime is 136665251141. The reversal of 136665251116 is 611152566631.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 925311 + ... + 1062793.

It is an arithmetic number, because the mean of its divisors is an integer number (10027601766).

Almost surely, 2^136665251116 is an apocalyptic number.

It is an amenable number.

136665251116 is a deficient number, since it is larger than the sum of its proper divisors (103997191268).

136665251116 is a wasteful number, since it uses less digits than its factorization.

136665251116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139041 (or 139039 counting only the distinct ones).

The product of its digits is 194400, while the sum is 43.

The spelling of 136665251116 in words is "one hundred thirty-six billion, six hundred sixty-five million, two hundred fifty-one thousand, one hundred sixteen".