135141251661356 has 12 divisors (see below), whose sum is σ = 246779676946992. Its totient is φ = 64632772533648.

The previous prime is 135141251661307. The next prime is 135141251661391. The reversal of 135141251661356 is 653166152141531.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 734463324155 + ... + 734463324338.

It is an arithmetic number, because the mean of its divisors is an integer number (20564973078916).

Almost surely, 2^{135141251661356} is an apocalyptic number.

It is an amenable number.

135141251661356 is a deficient number, since it is larger than the sum of its proper divisors (111638425285636).

135141251661356 is a wasteful number, since it uses less digits than its factorization.

135141251661356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1468926648520 (or 1468926648518 counting only the distinct ones).

The product of its digits is 1944000, while the sum is 50.

The spelling of 135141251661356 in words is "one hundred thirty-five trillion, one hundred forty-one billion, two hundred fifty-one million, six hundred sixty-one thousand, three hundred fifty-six".