159140565 has 64 divisors (see below), whose sum is σ = 298598400. Its totient is φ = 80258112.

The previous prime is 159140551. The next prime is 159140591. The reversal of 159140565 is 565041951.

159140565 is a `hidden beast` number, since 1 + 5 + 91 + 4 + 0 + 565 = 666.

It is not a de Polignac number, because 159140565 - 2⁹ = 159140053 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 331996 + ... + 332474.

It is an arithmetic number, because the mean of its divisors is an integer number (4665600).

Almost surely, 2^159140565 is an apocalyptic number.

159140565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

159140565 is a deficient number, since it is larger than the sum of its proper divisors (139457835).

159140565 is a wasteful number, since it uses less digits than its factorization.

159140565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623 (or 617 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The square root of 159140565 is about 12615.0927463891. The cubic root of 159140565 is about 541.9097504085.

The spelling of 159140565 in words is "one hundred fifty-nine million, one hundred forty thousand, five hundred sixty-five".