136103645 has 4 divisors (see below), whose sum is σ = 163324380. Its totient is φ = 108882912.

The previous prime is 136103573. The next prime is 136103647. The reversal of 136103645 is 546301631.

It is a happy number.

136103645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 546301631 = 14591 ⋅37441.

It can be written as a sum of positive squares in 2 ways, for example, as 37478884 + 98624761 = 6122^2 + 9931^2 .

It is a cyclic number.

It is not a de Polignac number, because 136103645 - 2¹² = 136099549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136103647) 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, 13610360 + ... + 13610369.

It is an arithmetic number, because the mean of its divisors is an integer number (40831095).

Almost surely, 2^136103645 is an apocalyptic number.

It is an amenable number.

136103645 is a deficient number, since it is larger than the sum of its proper divisors (27220735).

136103645 is an equidigital number, since it uses as much as digits as its factorization.

136103645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27220734.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 136103645 is about 11666.3466860882. The cubic root of 136103645 is about 514.3869224500.

The spelling of 136103645 in words is "one hundred thirty-six million, one hundred three thousand, six hundred forty-five".