140680 has 16 divisors (see below), whose sum is σ = 316620. Its totient is φ = 56256.

The previous prime is 140677. The next prime is 140681. The reversal of 140680 is 86041.

It can be written as a sum of positive squares in 2 ways, for example, as 133956 + 6724 = 366^2 + 82^2 .

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (140681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1719 + ... + 1798.

2¹⁴⁰⁶⁸⁰ is an apocalyptic number.

140680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140680 is an abundant number, since it is smaller than the sum of its proper divisors (175940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140680 is a wasteful number, since it uses less digits than its factorization.

140680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3528 (or 3524 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 140680 is about 375.0733261644. The cubic root of 140680 is about 52.0088742251.

It can be divided in two parts, 140 and 680, that added together give a triangular number (820 = T₄₀).

The spelling of 140680 in words is "one hundred forty thousand, six hundred eighty".