140314420 has 12 divisors (see below), whose sum is σ = 294660324. Its totient is φ = 56125760.

The previous prime is 140314409. The next prime is 140314429. The reversal of 140314420 is 24413041.

It can be written as a sum of positive squares in 2 ways, for example, as 94128804 + 46185616 = 9702^2 + 6796^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140314429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3507841 + ... + 3507880.

It is an arithmetic number, because the mean of its divisors is an integer number (24555027).

Almost surely, 2^140314420 is an apocalyptic number.

140314420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140314420 is an abundant number, since it is smaller than the sum of its proper divisors (154345904).

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

140314420 is a wasteful number, since it uses less digits than its factorization.

140314420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7015730 (or 7015728 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 140314420 is about 11845.4387846124. The cubic root of 140314420 is about 519.6378395434.

Adding to 140314420 its reverse (24413041), we get a palindrome (164727461).

The spelling of 140314420 in words is "one hundred forty million, three hundred fourteen thousand, four hundred twenty".