565136642 has 16 divisors (see below), whose sum is σ = 972119232. Its totient is φ = 241373040.

The previous prime is 565136629. The next prime is 565136651. The reversal of 565136642 is 246631565.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 565136596 and 565136605.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64784 + ... + 72987.

It is an arithmetic number, because the mean of its divisors is an integer number (60757452).

Almost surely, 2^565136642 is an apocalyptic number.

565136642 is a deficient number, since it is larger than the sum of its proper divisors (406982590).

565136642 is a wasteful number, since it uses less digits than its factorization.

565136642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138073.

The product of its digits is 129600, while the sum is 38.

The square root of 565136642 is about 23772.6027603205. The cubic root of 565136642 is about 826.7695800235.

The spelling of 565136642 in words is "five hundred sixty-five million, one hundred thirty-six thousand, six hundred forty-two".