140867617 has 8 divisors (see below), whose sum is σ = 160355520. Its totient is φ = 122493360.

The previous prime is 140867603. The next prime is 140867681. The reversal of 140867617 is 716768041.

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

It is not a de Polignac number, because 140867617 - 2¹⁵ = 140834849 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140867617.

It is not an unprimeable number, because it can be changed into a prime (140867417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278142 + ... + 278647.

It is an arithmetic number, because the mean of its divisors is an integer number (20044440).

Almost surely, 2^140867617 is an apocalyptic number.

It is an amenable number.

140867617 is a deficient number, since it is larger than the sum of its proper divisors (19487903).

140867617 is a wasteful number, since it uses less digits than its factorization.

140867617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556823.

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 140867617 is about 11868.7664481192. The cubic root of 140867617 is about 520.3198439091.

The spelling of 140867617 in words is "one hundred forty million, eight hundred sixty-seven thousand, six hundred seventeen".