140244492 has 24 divisors (see below), whose sum is σ = 346486896. Its totient is φ = 43998208.

The previous prime is 140244479. The next prime is 140244499. The reversal of 140244492 is 294442041.

140244492 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (140244499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 343533 + ... + 343940.

It is an arithmetic number, because the mean of its divisors is an integer number (14436954).

Almost surely, 2^140244492 is an apocalyptic number.

140244492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

140244492 is an abundant number, since it is smaller than the sum of its proper divisors (206242404).

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

140244492 is a wasteful number, since it uses less digits than its factorization.

140244492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687497 (or 687495 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 140244492 is about 11842.4867321015. The cubic root of 140244492 is about 519.5515018433.

The spelling of 140244492 in words is "one hundred forty million, two hundred forty-four thousand, four hundred ninety-two".