140830 has 8 divisors (see below), whose sum is σ = 253512. Its totient is φ = 56328.

The previous prime is 140827. The next prime is 140831. The reversal of 140830 is 38041.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140831) 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, 7032 + ... + 7051.

It is an arithmetic number, because the mean of its divisors is an integer number (31689).

2¹⁴⁰⁸³⁰ is an apocalyptic number.

140830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140830 is a deficient number, since it is larger than the sum of its proper divisors (112682).

140830 is a wasteful number, since it uses less digits than its factorization.

140830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14090.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 140830 is about 375.2732337911. The cubic root of 140830 is about 52.0273524737.

Adding to 140830 its reverse (38041), we get a palindrome (178871).

The spelling of 140830 in words is "one hundred forty thousand, eight hundred thirty".