140538814 has 16 divisors (see below), whose sum is σ = 234853920. Its totient is φ = 62627040.

The previous prime is 140538803. The next prime is 140538821. The reversal of 140538814 is 418835041.

140538814 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 140538814.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92442 + ... + 93949.

It is an arithmetic number, because the mean of its divisors is an integer number (14678370).

Almost surely, 2^140538814 is an apocalyptic number.

140538814 is a deficient number, since it is larger than the sum of its proper divisors (94315106).

140538814 is a wasteful number, since it uses less digits than its factorization.

140538814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186435.

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 140538814 is about 11854.9067478407. The cubic root of 140538814 is about 519.9146975459.

The spelling of 140538814 in words is "one hundred forty million, five hundred thirty-eight thousand, eight hundred fourteen".