140272446 has 32 divisors (see below), whose sum is σ = 294036480. Its totient is φ = 44526944.

The previous prime is 140272409. The next prime is 140272463. The reversal of 140272446 is 644272041.

140272446 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30856 + ... + 35108.

It is an arithmetic number, because the mean of its divisors is an integer number (9188640).

Almost surely, 2^140272446 is an apocalyptic number.

140272446 is an abundant number, since it is smaller than the sum of its proper divisors (153764034).

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

140272446 is a wasteful number, since it uses less digits than its factorization.

140272446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4520.

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 140272446 is about 11843.6669152759. Note that the first 3 decimals coincide. The cubic root of 140272446 is about 519.5860191296.

The spelling of 140272446 in words is "one hundred forty million, two hundred seventy-two thousand, four hundred forty-six".