140194339 has 4 divisors (see below), whose sum is σ = 140267160. Its totient is φ = 140121520.

The previous prime is 140194337. The next prime is 140194343. The reversal of 140194339 is 933491041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 140194339 - 2¹ = 140194337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140194333) 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, 33442 + ... + 37399.

It is an arithmetic number, because the mean of its divisors is an integer number (35066790).

Almost surely, 2^140194339 is an apocalyptic number.

140194339 is a deficient number, since it is larger than the sum of its proper divisors (72821).

140194339 is an equidigital number, since it uses as much as digits as its factorization.

140194339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72820.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 140194339 is about 11840.3690398568. The cubic root of 140194339 is about 519.4895619819.

The spelling of 140194339 in words is "one hundred forty million, one hundred ninety-four thousand, three hundred thirty-nine".