140314440 has 160 divisors (see below), whose sum is σ = 492079680. Its totient is φ = 32006016.

The previous prime is 140314429. The next prime is 140314451. The reversal of 140314440 is 44413041.

It is an interprime number because it is at equal distance from previous prime (140314429) and next prime (140314451).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a zygodrome in base 7.

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 39 ways as a sum of consecutive naturals, for example, 287877 + ... + 288363.

It is an arithmetic number, because the mean of its divisors is an integer number (3075498).

Almost surely, 2^140314440 is an apocalyptic number.

140314440 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 140314440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246039840).

140314440 is an abundant number, since it is smaller than the sum of its proper divisors (351765240).

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

140314440 is an equidigital number, since it uses as much as digits as its factorization.

140314440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529 (or 504 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 140314440 is about 11845.4396288192. The cubic root of 140314440 is about 519.6378642326.

Adding to 140314440 its reverse (44413041), we get a palindrome (184727481).

The spelling of 140314440 in words is "one hundred forty million, three hundred fourteen thousand, four hundred forty".