135520564 has 6 divisors (see below), whose sum is σ = 237160994. Its totient is φ = 67760280.

The previous prime is 135520519. The next prime is 135520571. The reversal of 135520564 is 465025531.

It can be written as a sum of positive squares in only one way, i.e., 134328100 + 1192464 = 11590^2 + 1092^2 .

It is a congruent number.

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 as a sum of consecutive naturals, namely, 16940067 + ... + 16940074.

Almost surely, 2^135520564 is an apocalyptic number.

It is an amenable number.

135520564 is a deficient number, since it is larger than the sum of its proper divisors (101640430).

135520564 is a wasteful number, since it uses less digits than its factorization.

135520564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33880145 (or 33880143 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 135520564 is about 11641.3299927457. The cubic root of 135520564 is about 513.6513100865.

The spelling of 135520564 in words is "one hundred thirty-five million, five hundred twenty thousand, five hundred sixty-four".