140650140 has 96 divisors (see below), whose sum is σ = 405974016. Its totient is φ = 36368640.

The previous prime is 140650127. The next prime is 140650157. The reversal of 140650140 is 41056041.

140650140 = T₁₉ + T₂₀ + ... + T₉₄₄.

140650140 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 (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 303549 + ... + 304011.

It is an arithmetic number, because the mean of its divisors is an integer number (4228896).

Almost surely, 2^140650140 is an apocalyptic number.

140650140 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 140650140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202987008).

140650140 is an abundant number, since it is smaller than the sum of its proper divisors (265323876).

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

140650140 is a wasteful number, since it uses less digits than its factorization.

140650140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619 (or 617 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 140650140 is about 11859.6011737326. The cubic root of 140650140 is about 520.0519425431.

The spelling of 140650140 in words is "one hundred forty million, six hundred fifty thousand, one hundred forty".