140810 has 8 divisors (see below), whose sum is σ = 253476. Its totient is φ = 56320.

The previous prime is 140797. The next prime is 140813. The reversal of 140810 is 18041.

It is a happy number.

140810 is nontrivially palindromic in base 3.

It can be written as a sum of positive squares in 2 ways, for example, as 139129 + 1681 = 373^2 + 41^2 .

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

It is a super-2 number, since 2×140810² = 39654912200, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (140813) 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, 7031 + ... + 7050.

2¹⁴⁰⁸¹⁰ is an apocalyptic number.

140810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140810 is a deficient number, since it is larger than the sum of its proper divisors (112666).

140810 is a wasteful number, since it uses less digits than its factorization.

140810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14088.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 140810 is about 375.2465855941. The cubic root of 140810 is about 52.0248894656.

Adding to 140810 its reverse (18041), we get a palindrome (158851).

The spelling of 140810 in words is "one hundred forty thousand, eight hundred ten".