140014442 has 8 divisors (see below), whose sum is σ = 210072096. Its totient is φ = 69990412.

The previous prime is 140014429. The next prime is 140014463. The reversal of 140014442 is 244410041.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10613 + ... + 19815.

It is an arithmetic number, because the mean of its divisors is an integer number (26259012).

Almost surely, 2^140014442 is an apocalyptic number.

140014442 is a deficient number, since it is larger than the sum of its proper divisors (70057654).

140014442 is an equidigital number, since it uses as much as digits as its factorization.

140014442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16812.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 140014442 is about 11832.7698363485. The cubic root of 140014442 is about 519.2672643331.

Adding to 140014442 its reverse (244410041), we get a palindrome (384424483).

The spelling of 140014442 in words is "one hundred forty million, fourteen thousand, four hundred forty-two".