140260656 has 20 divisors (see below), whose sum is σ = 362340152. Its totient is φ = 46753536.

The previous prime is 140260639. The next prime is 140260661. The reversal of 140260656 is 656062041.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1461001 + ... + 1461096.

Almost surely, 2^140260656 is an apocalyptic number.

140260656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

140260656 is an abundant number, since it is smaller than the sum of its proper divisors (222079496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140260656 is a wasteful number, since it uses less digits than its factorization.

140260656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2922108 (or 2922102 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 140260656 is about 11843.1691704543. The cubic root of 140260656 is about 519.5714615288.

The spelling of 140260656 in words is "one hundred forty million, two hundred sixty thousand, six hundred fifty-six".