136122512563 has 4 divisors (see below), whose sum is σ = 136123251408. Its totient is φ = 136121773720.

The previous prime is 136122512551. The next prime is 136122512579. The reversal of 136122512563 is 365215221631.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136122512563 is a prime.

It is a super-3 number, since 3×136122512563³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136122518563) 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, 156645 + ... + 544777.

It is an arithmetic number, because the mean of its divisors is an integer number (34030812852).

Almost surely, 2^136122512563 is an apocalyptic number.

136122512563 is a deficient number, since it is larger than the sum of its proper divisors (738845).

136122512563 is an equidigital number, since it uses as much as digits as its factorization.

136122512563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738844.

The product of its digits is 64800, while the sum is 37.

The spelling of 136122512563 in words is "one hundred thirty-six billion, one hundred twenty-two million, five hundred twelve thousand, five hundred sixty-three".