136870564 has 6 divisors (see below), whose sum is σ = 239523494. Its totient is φ = 68435280.

The previous prime is 136870561. The next prime is 136870577. The reversal of 136870564 is 465078631.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 104857600 + 32012964 = 10240^2 + 5658^2 .

It is not an unprimeable number, because it can be changed into a prime (136870561) by changing a digit.

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 as a sum of consecutive naturals, namely, 17108817 + ... + 17108824.

Almost surely, 2^136870564 is an apocalyptic number.

It is an amenable number.

136870564 is a deficient number, since it is larger than the sum of its proper divisors (102652930).

136870564 is a wasteful number, since it uses less digits than its factorization.

136870564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34217645 (or 34217643 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 136870564 is about 11699.1693722247. The cubic root of 136870564 is about 515.3512719591.

The spelling of 136870564 in words is "one hundred thirty-six million, eight hundred seventy thousand, five hundred sixty-four".