97140565 has 8 divisors (see below), whose sum is σ = 117341568. Its totient is φ = 77197200.

The previous prime is 97140551. The next prime is 97140581. The reversal of 97140565 is 56504179.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-97140565 is a prime.

It is a Duffinian 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, 63577 + ... + 65086.

It is an arithmetic number, because the mean of its divisors is an integer number (14667696).

Almost surely, 2^97140565 is an apocalyptic number.

It is an amenable number.

97140565 is a deficient number, since it is larger than the sum of its proper divisors (20201003).

97140565 is a wasteful number, since it uses less digits than its factorization.

97140565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128819.

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 97140565 is about 9855.9913250774. The cubic root of 97140565 is about 459.6919250996.

The spelling of 97140565 in words is "ninety-seven million, one hundred forty thousand, five hundred sixty-five".