136156621316445 has 64 divisors (see below), whose sum is σ = 252796102041600. Its totient is φ = 69400291371840.

The previous prime is 136156621316411. The next prime is 136156621316447. The reversal of 136156621316445 is 544613126651631.

136156621316445 is a `hidden beast` number, since 1 + 3 + 6 + 1 + 5 + 6 + 62 + 131 + 6 + 445 = 666.

It is not a de Polignac number, because 136156621316445 - 2⁴¹ = 133957598060893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 136156621316391 and 136156621316400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136156621316447) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15087685 + ... + 22359594.

It is an arithmetic number, because the mean of its divisors is an integer number (3949939094400).

Almost surely, 2^{136156621316445} is an apocalyptic number.

136156621316445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

136156621316445 is a deficient number, since it is larger than the sum of its proper divisors (116639480725155).

136156621316445 is a wasteful number, since it uses less digits than its factorization.

136156621316445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37448487 (or 37448481 counting only the distinct ones).

The product of its digits is 9331200, while the sum is 54.

The spelling of 136156621316445 in words is "one hundred thirty-six trillion, one hundred fifty-six billion, six hundred twenty-one million, three hundred sixteen thousand, four hundred forty-five".