140217764817 has 8 divisors (see below), whose sum is σ = 201338329024. Its totient is φ = 86287855248.

The previous prime is 140217764789. The next prime is 140217764833. The reversal of 140217764817 is 718467712041.

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

It is not a de Polignac number, because 140217764817 - 2¹⁰ = 140217763793 is a prime.

It is a super-2 number, since 2×140217764817² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140217764867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1797663613 + ... + 1797663690.

It is an arithmetic number, because the mean of its divisors is an integer number (25167291128).

Almost surely, 2^140217764817 is an apocalyptic number.

It is an amenable number.

140217764817 is a deficient number, since it is larger than the sum of its proper divisors (61120564207).

140217764817 is a wasteful number, since it uses less digits than its factorization.

140217764817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3595327319.

The product of its (nonzero) digits is 526848, while the sum is 48.

The spelling of 140217764817 in words is "one hundred forty billion, two hundred seventeen million, seven hundred sixty-four thousand, eight hundred seventeen".