136243564 has 6 divisors (see below), whose sum is σ = 238426244. Its totient is φ = 68121780.

The previous prime is 136243519. The next prime is 136243571. The reversal of 136243564 is 465342631.

136243564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17030442 + ... + 17030449.

Almost surely, 2^136243564 is an apocalyptic number.

It is an amenable number.

136243564 is a deficient number, since it is larger than the sum of its proper divisors (102182680).

136243564 is a wasteful number, since it uses less digits than its factorization.

136243564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34060895 (or 34060893 counting only the distinct ones).

The product of its digits is 51840, while the sum is 34.

The square root of 136243564 is about 11672.3418387229. The cubic root of 136243564 is about 514.5631309430.

The spelling of 136243564 in words is "one hundred thirty-six million, two hundred forty-three thousand, five hundred sixty-four".