140230442 has 16 divisors (see below), whose sum is σ = 229780800. Its totient is φ = 63654240.

The previous prime is 140230427. The next prime is 140230459. The reversal of 140230442 is 244032041.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13859 + ... + 21737.

It is an arithmetic number, because the mean of its divisors is an integer number (14361300).

Almost surely, 2^140230442 is an apocalyptic number.

140230442 is a deficient number, since it is larger than the sum of its proper divisors (89550358).

140230442 is a wasteful number, since it uses less digits than its factorization.

140230442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8701.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 140230442 is about 11841.8935141302. The cubic root of 140230442 is about 519.5341513286.

Adding to 140230442 its reverse (244032041), we get a palindrome (384262483).

The spelling of 140230442 in words is "one hundred forty million, two hundred thirty thousand, four hundred forty-two".