136481245 has 4 divisors (see below), whose sum is σ = 163777500. Its totient is φ = 109184992.

The previous prime is 136481243. The next prime is 136481281. The reversal of 136481245 is 542184631.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 59691076 + 76790169 = 7726^2 + 8763^2 .

It is a cyclic number.

It is not a de Polignac number, because 136481245 - 2¹ = 136481243 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 136481245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136481243) 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, 13648120 + ... + 13648129.

It is an arithmetic number, because the mean of its divisors is an integer number (40944375).

Almost surely, 2^136481245 is an apocalyptic number.

It is an amenable number.

136481245 is a deficient number, since it is larger than the sum of its proper divisors (27296255).

136481245 is an equidigital number, since it uses as much as digits as its factorization.

136481245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27296254.

The product of its digits is 23040, while the sum is 34.

The square root of 136481245 is about 11682.5187780718. The cubic root of 136481245 is about 514.8621807354.

The spelling of 136481245 in words is "one hundred thirty-six million, four hundred eighty-one thousand, two hundred forty-five".