140559469 has 8 divisors (see below), whose sum is σ = 143716608. Its totient is φ = 137409360.

The previous prime is 140559449. The next prime is 140559493. The reversal of 140559469 is 964955041.

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

It is a cyclic number.

It is not a de Polignac number, because 140559469 - 2¹⁷ = 140428397 is a prime.

It is a super-2 number, since 2×140559469² = 39513928651123922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140559449) 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, 74599 + ... + 76459.

It is an arithmetic number, because the mean of its divisors is an integer number (17964576).

Almost surely, 2^140559469 is an apocalyptic number.

It is an amenable number.

140559469 is a deficient number, since it is larger than the sum of its proper divisors (3157139).

140559469 is a wasteful number, since it uses less digits than its factorization.

140559469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3515.

The product of its (nonzero) digits is 194400, while the sum is 43.

The square root of 140559469 is about 11855.7778741000. Note that the first 3 decimals coincide. The cubic root of 140559469 is about 519.9401669322.

The spelling of 140559469 in words is "one hundred forty million, five hundred fifty-nine thousand, four hundred sixty-nine".