140469 has 8 divisors (see below), whose sum is σ = 214080. Its totient is φ = 80256.

The previous prime is 140453. The next prime is 140473. The reversal of 140469 is 964041.

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

It is not a de Polignac number, because 140469 - 2⁴ = 140453 is a prime.

It is a super-2 number, since 2×140469² = 39463079922, which contains 22 as substring.

It is a Curzon number.

140469 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140419) 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, 3324 + ... + 3365.

It is an arithmetic number, because the mean of its divisors is an integer number (26760).

2¹⁴⁰⁴⁶⁹ is an apocalyptic number.

It is an amenable number.

140469 is a deficient number, since it is larger than the sum of its proper divisors (73611).

140469 is an equidigital number, since it uses as much as digits as its factorization.

140469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6699.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 140469 is about 374.7919422826. The cubic root of 140469 is about 51.9828592420.

It can be divided in two parts, 1 and 40469, that added together give a triangular number (40470 = T₂₈₄).

The spelling of 140469 in words is "one hundred forty thousand, four hundred sixty-nine".