136871579743 has 4 divisors (see below), whose sum is σ = 136897740448. Its totient is φ = 136845419040.

The previous prime is 136871579723. The next prime is 136871579813. The reversal of 136871579743 is 347975178631.

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 136871579743 - 2²¹ = 136869482591 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 (136871579723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13072503 + ... + 13082968.

It is an arithmetic number, because the mean of its divisors is an integer number (34224435112).

Almost surely, 2^136871579743 is an apocalyptic number.

136871579743 is a deficient number, since it is larger than the sum of its proper divisors (26160705).

136871579743 is an equidigital number, since it uses as much as digits as its factorization.

136871579743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26160704.

The product of its digits is 26671680, while the sum is 61.

The spelling of 136871579743 in words is "one hundred thirty-six billion, eight hundred seventy-one million, five hundred seventy-nine thousand, seven hundred forty-three".