140231414 has 32 divisors (see below), whose sum is σ = 234455040. Its totient is φ = 62647200.

The previous prime is 140231411. The next prime is 140231449. The reversal of 140231414 is 414132041.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140231411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39659 + ... + 43049.

It is an arithmetic number, because the mean of its divisors is an integer number (7326720).

Almost surely, 2^140231414 is an apocalyptic number.

140231414 is a deficient number, since it is larger than the sum of its proper divisors (94223626).

140231414 is a wasteful number, since it uses less digits than its factorization.

140231414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3476.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 140231414 is about 11841.9345547930. The cubic root of 140231414 is about 519.5353517004.

Adding to 140231414 its reverse (414132041), we get a palindrome (554363455).

The spelling of 140231414 in words is "one hundred forty million, two hundred thirty-one thousand, four hundred fourteen".