136936659871 has 8 divisors (see below), whose sum is σ = 150925504464. Its totient is φ = 123204491520.

The previous prime is 136936659803. The next prime is 136936659889. The reversal of 136936659871 is 178956639631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 136936659871 - 2¹⁵ = 136936627103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136936659271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64167940 + ... + 64170073.

It is an arithmetic number, because the mean of its divisors is an integer number (18865688058).

Almost surely, 2^136936659871 is an apocalyptic number.

136936659871 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

136936659871 is a deficient number, since it is larger than the sum of its proper divisors (13988844593).

136936659871 is a wasteful number, since it uses less digits than its factorization.

136936659871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128338121.

The product of its digits is 44089920, while the sum is 64.

The spelling of 136936659871 in words is "one hundred thirty-six billion, nine hundred thirty-six million, six hundred fifty-nine thousand, eight hundred seventy-one".