140655 has 8 divisors (see below), whose sum is σ = 225072. Its totient is φ = 75008.

The previous prime is 140639. The next prime is 140659. The reversal of 140655 is 556041.

It is a happy number.

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 140655 - 2⁴ = 140639 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 140655.

It is not an unprimeable number, because it can be changed into a prime (140659) 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, 4674 + ... + 4703.

It is an arithmetic number, because the mean of its divisors is an integer number (28134).

2¹⁴⁰⁶⁵⁵ is an apocalyptic number.

140655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

140655 is a deficient number, since it is larger than the sum of its proper divisors (84417).

140655 is an equidigital number, since it uses as much as digits as its factorization.

140655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9385.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 140655 is about 375.0399978669. The cubic root of 140655 is about 52.0057932402.

Adding to 140655 its reverse (556041), we get a palindrome (696696).

The spelling of 140655 in words is "one hundred forty thousand, six hundred fifty-five".