135206615400356 has 24 divisors (see below), whose sum is σ = 250784767699200. Its totient is φ = 63561915508352.

The previous prime is 135206615400289. The next prime is 135206615400397. The reversal of 135206615400356 is 653004516602531.

It is a self number, because there is not a number n which added to its sum of digits gives 135206615400356.

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, 1011292556 + ... + 1011426243.

It is an arithmetic number, because the mean of its divisors is an integer number (10449365320800).

Almost surely, 2^{135206615400356} is an apocalyptic number.

It is an amenable number.

135206615400356 is a deficient number, since it is larger than the sum of its proper divisors (115578152298844).

135206615400356 is a wasteful number, since it uses less digits than its factorization.

135206615400356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2022719803 (or 2022719801 counting only the distinct ones).

The product of its (nonzero) digits is 1944000, while the sum is 47.

The spelling of 135206615400356 in words is "one hundred thirty-five trillion, two hundred six billion, six hundred fifteen million, four hundred thousand, three hundred fifty-six".