140450940 has 288 divisors, whose sum is σ = 528353280. Its totient is φ = 29472768.

The previous prime is 140450917. The next prime is 140450941. The reversal of 140450940 is 49054041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140450941) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1692139 + ... + 1692221.

It is an arithmetic number, because the mean of its divisors is an integer number (1834560).

Almost surely, 2^140450940 is an apocalyptic number.

140450940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140450940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (264176640).

140450940 is an abundant number, since it is smaller than the sum of its proper divisors (387902340).

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

140450940 is a wasteful number, since it uses less digits than its factorization.

140450940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201 (or 196 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 140450940 is about 11851.1999392467. The cubic root of 140450940 is about 519.8063134673.

The spelling of 140450940 in words is "one hundred forty million, four hundred fifty thousand, nine hundred forty".