140699 has 8 divisors (see below), whose sum is σ = 154560. Its totient is φ = 127296.

The previous prime is 140689. The next prime is 140717. The reversal of 140699 is 996041.

140699 = 40² + 41² + ... + 78².

140699 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 140699 - 2⁴ = 140683 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 140699.

It is not an unprimeable number, because it can be changed into a prime (140629) 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, 959 + ... + 1095.

It is an arithmetic number, because the mean of its divisors is an integer number (19320).

2¹⁴⁰⁶⁹⁹ is an apocalyptic number.

140699 is a deficient number, since it is larger than the sum of its proper divisors (13861).

140699 is a wasteful number, since it uses less digits than its factorization.

140699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 140699 is about 375.0986536899. The cubic root of 140699 is about 52.0112155295.

It can be divided in two parts, 14069 and 9, that multiplied together give a palindrome (126621).

The spelling of 140699 in words is "one hundred forty thousand, six hundred ninety-nine".