140250340 has 48 divisors (see below), whose sum is σ = 319488624. Its totient is φ = 51507200.

The previous prime is 140250311. The next prime is 140250371. The reversal of 140250340 is 43052041.

It can be written as a sum of positive squares in 8 ways, for example, as 3968064 + 136282276 = 1992^2 + 11674^2 .

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 15 ways as a sum of consecutive naturals, for example, 8910 + ... + 18970.

It is an arithmetic number, because the mean of its divisors is an integer number (6656013).

Almost surely, 2^140250340 is an apocalyptic number.

140250340 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 140250340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159744312).

140250340 is an abundant number, since it is smaller than the sum of its proper divisors (179238284).

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

140250340 is a wasteful number, since it uses less digits than its factorization.

140250340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10128 (or 10126 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 140250340 is about 11842.7336371296. The cubic root of 140250340 is about 519.5587232676.

The spelling of 140250340 in words is "one hundred forty million, two hundred fifty thousand, three hundred forty".