136535144 has 16 divisors (see below), whose sum is σ = 258353700. Its totient is φ = 67640832.

The previous prime is 136535137. The next prime is 136535171. The reversal of 136535144 is 441535631.

It can be written as a sum of positive squares in 2 ways, for example, as 136002244 + 532900 = 11662^2 + 730^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 136535144.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77417 + ... + 79160.

Almost surely, 2^136535144 is an apocalyptic number.

It is an amenable number.

136535144 is a deficient number, since it is larger than the sum of its proper divisors (121818556).

136535144 is a wasteful number, since it uses less digits than its factorization.

136535144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156692 (or 156688 counting only the distinct ones).

The product of its digits is 21600, while the sum is 32.

The square root of 136535144 is about 11684.8253731068. The cubic root of 136535144 is about 514.9299480549.

The spelling of 136535144 in words is "one hundred thirty-six million, five hundred thirty-five thousand, one hundred forty-four".