140268920 has 32 divisors (see below), whose sum is σ = 344297520. Its totient is φ = 51006720.

The previous prime is 140268907. The next prime is 140268941. The reversal of 140268920 is 29862041.

140268920 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158957 + ... + 159836.

Almost surely, 2^140268920 is an apocalyptic number.

140268920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140268920 is an abundant number, since it is smaller than the sum of its proper divisors (204028600).

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

140268920 is a wasteful number, since it uses less digits than its factorization.

140268920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318815 (or 318811 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 140268920 is about 11843.5180584149. The cubic root of 140268920 is about 519.5816655170.

The spelling of 140268920 in words is "one hundred forty million, two hundred sixty-eight thousand, nine hundred twenty".