136805159783 has 4 divisors (see below), whose sum is σ = 136829238168. Its totient is φ = 136781081400.

The previous prime is 136805159767. The next prime is 136805159873. The reversal of 136805159783 is 387951508631.

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 136805159783 - 2⁴ = 136805159767 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 (136805159753) 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, 12030668 + ... + 12042033.

It is an arithmetic number, because the mean of its divisors is an integer number (34207309542).

Almost surely, 2^136805159783 is an apocalyptic number.

136805159783 is a deficient number, since it is larger than the sum of its proper divisors (24078385).

136805159783 is an equidigital number, since it uses as much as digits as its factorization.

136805159783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24078384.

The product of its (nonzero) digits is 5443200, while the sum is 56.

The spelling of 136805159783 in words is "one hundred thirty-six billion, eight hundred five million, one hundred fifty-nine thousand, seven hundred eighty-three".