140538926 has 16 divisors (see below), whose sum is σ = 231389568. Its totient is φ = 63487800.

The previous prime is 140538919. The next prime is 140538961. The reversal of 140538926 is 629835041.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 140538926.

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 7 ways as a sum of consecutive naturals, for example, 16010 + ... + 23181.

It is an arithmetic number, because the mean of its divisors is an integer number (14461848).

Almost surely, 2^140538926 is an apocalyptic number.

140538926 is a deficient number, since it is larger than the sum of its proper divisors (90850642).

140538926 is a wasteful number, since it uses less digits than its factorization.

140538926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39367.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 140538926 is about 11854.9114716222. The cubic root of 140538926 is about 519.9148356583.

The spelling of 140538926 in words is "one hundred forty million, five hundred thirty-eight thousand, nine hundred twenty-six".