136551560245 has 4 divisors (see below), whose sum is σ = 163861872300. Its totient is φ = 109241248192.

The previous prime is 136551560207. The next prime is 136551560261. The reversal of 136551560245 is 542065155631.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 542065155631 = 2683 ⋅202036957.

It can be written as a sum of positive squares in 2 ways, for example, as 83955642001 + 52595918244 = 289751^2 + 229338^2 .

It is a cyclic number.

It is not a de Polignac number, because 136551560245 - 2¹⁷ = 136551429173 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13655156020 + ... + 13655156029.

It is an arithmetic number, because the mean of its divisors is an integer number (40965468075).

Almost surely, 2^136551560245 is an apocalyptic number.

It is an amenable number.

136551560245 is a deficient number, since it is larger than the sum of its proper divisors (27310312055).

136551560245 is an equidigital number, since it uses as much as digits as its factorization.

136551560245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27310312054.

The product of its (nonzero) digits is 540000, while the sum is 43.

The spelling of 136551560245 in words is "one hundred thirty-six billion, five hundred fifty-one million, five hundred sixty thousand, two hundred forty-five".