135504566 has 16 divisors (see below), whose sum is σ = 205590528. Its totient is φ = 66978600.

The previous prime is 135504553. The next prime is 135504583. The reversal of 135504566 is 665405531.

It is a super-2 number, since 2×135504566² = 36722974813696712, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80651 + ... + 82313.

It is an arithmetic number, because the mean of its divisors is an integer number (12849408).

Almost surely, 2^135504566 is an apocalyptic number.

135504566 is a deficient number, since it is larger than the sum of its proper divisors (70085962).

135504566 is a wasteful number, since it uses less digits than its factorization.

135504566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2107.

The product of its (nonzero) digits is 54000, while the sum is 35.

The square root of 135504566 is about 11640.6428516642. The cubic root of 135504566 is about 513.6310973680.

The spelling of 135504566 in words is "one hundred thirty-five million, five hundred four thousand, five hundred sixty-six".