136785570273 has 12 divisors (see below), whose sum is σ = 215540898768. Its totient is φ = 82900345560.

The previous prime is 136785570253. The next prime is 136785570367. The reversal of 136785570273 is 372075587631.

It is a happy number.

136785570273 is a `hidden beast` number, since 1 + 3 + 67 + 8 + 5 + 570 + 2 + 7 + 3 = 666.

It is not a de Polignac number, because 136785570273 - 2¹⁸ = 136785308129 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (136785570253) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 690836115 + ... + 690836312.

It is an arithmetic number, because the mean of its divisors is an integer number (17961741564).

Almost surely, 2^136785570273 is an apocalyptic number.

It is an amenable number.

136785570273 is a deficient number, since it is larger than the sum of its proper divisors (78755328495).

136785570273 is a wasteful number, since it uses less digits than its factorization.

136785570273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1381672444 (or 1381672441 counting only the distinct ones).

The product of its (nonzero) digits is 7408800, while the sum is 54.

The spelling of 136785570273 in words is "one hundred thirty-six billion, seven hundred eighty-five million, five hundred seventy thousand, two hundred seventy-three".