140263144 has 32 divisors (see below), whose sum is σ = 303552000. Its totient is φ = 59515200.

The previous prime is 140263121. The next prime is 140263153. The reversal of 140263144 is 441362041.

140263144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6744 + ... + 18055.

It is an arithmetic number, because the mean of its divisors is an integer number (9486000).

Almost surely, 2^140263144 is an apocalyptic number.

140263144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

140263144 is an abundant number, since it is smaller than the sum of its proper divisors (163288856).

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

140263144 is a wasteful number, since it uses less digits than its factorization.

140263144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24913 (or 24909 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 140263144 is about 11843.2742094406. The cubic root of 140263144 is about 519.5745336332.

It can be divided in two parts, 1402 and 63144, that added together give a palindrome (64546).

The spelling of 140263144 in words is "one hundred forty million, two hundred sixty-three thousand, one hundred forty-four".