140354943 has 8 divisors (see below), whose sum is σ = 187210800. Its totient is φ = 93534528.

The previous prime is 140354917. The next prime is 140354959. The reversal of 140354943 is 349453041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 140354943 - 2¹³ = 140346751 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140354443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2443 + ... + 16931.

It is an arithmetic number, because the mean of its divisors is an integer number (23401350).

Almost surely, 2^140354943 is an apocalyptic number.

140354943 is a deficient number, since it is larger than the sum of its proper divisors (46855857).

140354943 is a wasteful number, since it uses less digits than its factorization.

140354943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17721.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 140354943 is about 11847.1491507451. The cubic root of 140354943 is about 519.6878587725.

The spelling of 140354943 in words is "one hundred forty million, three hundred fifty-four thousand, nine hundred forty-three".