136619979785727 has 32 divisors (see below), whose sum is σ = 182944679930880. Its totient is φ = 90688066560000.

The previous prime is 136619979785581. The next prime is 136619979785743. The reversal of 136619979785727 is 727587979916631.

It is not a de Polignac number, because 136619979785727 - 2¹⁰ = 136619979784703 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136619979785797) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17054044152 + ... + 17054052162.

It is an arithmetic number, because the mean of its divisors is an integer number (5717021247840).

Almost surely, 2^{136619979785727} is an apocalyptic number.

136619979785727 is a deficient number, since it is larger than the sum of its proper divisors (46324700145153).

136619979785727 is a wasteful number, since it uses less digits than its factorization.

136619979785727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18575.

The product of its digits is 15122842560, while the sum is 87.

The spelling of 136619979785727 in words is "one hundred thirty-six trillion, six hundred nineteen billion, nine hundred seventy-nine million, seven hundred eighty-five thousand, seven hundred twenty-seven".