140234456 has 16 divisors (see below), whose sum is σ = 264395040. Its totient is φ = 69729120.

The previous prime is 140234447. The next prime is 140234461. The reversal of 140234456 is 654432041.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46976 + ... + 49871.

It is an arithmetic number, because the mean of its divisors is an integer number (16524690).

Almost surely, 2^140234456 is an apocalyptic number.

It is an amenable number.

140234456 is a deficient number, since it is larger than the sum of its proper divisors (124160584).

140234456 is a wasteful number, since it uses less digits than its factorization.

140234456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97034 (or 97030 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 140234456 is about 11842.0629959480. The cubic root of 140234456 is about 519.5391083839.

Adding to 140234456 its reverse (654432041), we get a palindrome (794666497).

The spelling of 140234456 in words is "one hundred forty million, two hundred thirty-four thousand, four hundred fifty-six".