140434 has 12 divisors (see below), whose sum is σ = 245214. Its totient is φ = 60144.

The previous prime is 140423. The next prime is 140443. The reversal of 140434 is 434041.

It can be written as a sum of positive squares in only one way, i.e., 99225 + 41209 = 315^2 + 203^2 .

It is a plaindrome in base 9.

It is a nialpdrome in base 8.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 619 + ... + 814.

2¹⁴⁰⁴³⁴ is an apocalyptic number.

140434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

140434 is a deficient number, since it is larger than the sum of its proper divisors (104780).

140434 is a wasteful number, since it uses less digits than its factorization.

140434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1449 (or 1442 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 140434 is about 374.7452468011. The cubic root of 140434 is about 51.9785414419.

Adding to 140434 its reverse (434041), we get a palindrome (574475).

The spelling of 140434 in words is "one hundred forty thousand, four hundred thirty-four".