136060081687 has 4 divisors (see below), whose sum is σ = 136286471776. Its totient is φ = 135833691600.

The previous prime is 136060081679. The next prime is 136060081697. The reversal of 136060081687 is 786180060631.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 136060081687 - 2³ = 136060081679 is a prime.

It is a super-2 number, since 2×136060081687² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136060081667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113194143 + ... + 113195344.

It is an arithmetic number, because the mean of its divisors is an integer number (34071617944).

Almost surely, 2^136060081687 is an apocalyptic number.

136060081687 is a deficient number, since it is larger than the sum of its proper divisors (226390089).

136060081687 is an equidigital number, since it uses as much as digits as its factorization.

136060081687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226390088.

The product of its (nonzero) digits is 290304, while the sum is 46.

The spelling of 136060081687 in words is "one hundred thirty-six billion, sixty million, eighty-one thousand, six hundred eighty-seven".