140104256 has 28 divisors (see below), whose sum is σ = 278952960. Its totient is φ = 69816960.

The previous prime is 140104243. The next prime is 140104267. The reversal of 140104256 is 652401041.

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, 16385 + ... + 23423.

Almost surely, 2^140104256 is an apocalyptic number.

140104256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

140104256 is a deficient number, since it is larger than the sum of its proper divisors (138848704).

140104256 is an equidigital number, since it uses as much as digits as its factorization.

140104256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7362 (or 7352 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 140104256 is about 11836.5643664029. The cubic root of 140104256 is about 519.3782707428.

Adding to 140104256 its reverse (652401041), we get a palindrome (792505297).

The spelling of 140104256 in words is "one hundred forty million, one hundred four thousand, two hundred fifty-six".