140538812 has 12 divisors (see below), whose sum is σ = 246042720. Its totient is φ = 70240896.

The previous prime is 140538803. The next prime is 140538821. The reversal of 140538812 is 218835041.

It is an interprime number because it is at equal distance from previous prime (140538803) and next prime (140538821).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7133 + ... + 18219.

It is an arithmetic number, because the mean of its divisors is an integer number (20503560).

Almost surely, 2^140538812 is an apocalyptic number.

It is an amenable number.

140538812 is a deficient number, since it is larger than the sum of its proper divisors (105503908).

140538812 is a wasteful number, since it uses less digits than its factorization.

140538812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14260 (or 14258 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 140538812 is about 11854.9066634875. The cubic root of 140538812 is about 519.9146950796.

The spelling of 140538812 in words is "one hundred forty million, five hundred thirty-eight thousand, eight hundred twelve".