136534645 has 8 divisors (see below), whose sum is σ = 176444856. Its totient is φ = 100825536.

The previous prime is 136534621. The next prime is 136534661. The reversal of 136534645 is 546435631.

It can be written as a sum of positive squares in 4 ways, for example, as 27185796 + 109348849 = 5214^2 + 10457^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 136534645 - 2⁵ = 136534613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1050202 + ... + 1050331.

It is an arithmetic number, because the mean of its divisors is an integer number (22055607).

Almost surely, 2^136534645 is an apocalyptic number.

It is an amenable number.

136534645 is a deficient number, since it is larger than the sum of its proper divisors (39910211).

136534645 is a wasteful number, since it uses less digits than its factorization.

136534645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2100551.

The product of its digits is 129600, while the sum is 37.

The square root of 136534645 is about 11684.8040206073. The cubic root of 136534645 is about 514.9293207430.

The spelling of 136534645 in words is "one hundred thirty-six million, five hundred thirty-four thousand, six hundred forty-five".