136586820763 has 4 divisors (see below), whose sum is σ = 136920774280. Its totient is φ = 136252867248.

The previous prime is 136586820719. The next prime is 136586820767. The reversal of 136586820763 is 367028685631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 367028685631 = 83 ⋅4422032357.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136586820763 is a prime.

It is a super-2 number, since 2×136586820763² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136586820767) 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, 166976145 + ... + 166976962.

It is an arithmetic number, because the mean of its divisors is an integer number (34230193570).

Almost surely, 2^136586820763 is an apocalyptic number.

136586820763 is a deficient number, since it is larger than the sum of its proper divisors (333953517).

136586820763 is an equidigital number, since it uses as much as digits as its factorization.

136586820763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333953516.

The product of its (nonzero) digits is 8709120, while the sum is 55.

The spelling of 136586820763 in words is "one hundred thirty-six billion, five hundred eighty-six million, eight hundred twenty thousand, seven hundred sixty-three".