140338385 has 8 divisors (see below), whose sum is σ = 183715776. Its totient is φ = 102064240.

The previous prime is 140338379. The next prime is 140338391. The reversal of 140338385 is 583833041.

It is an interprime number because it is at equal distance from previous prime (140338379) and next prime (140338391).

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

It is not a de Polignac number, because 140338385 - 2⁸ = 140338129 is a prime.

It is a Duffinian number.

It is a Curzon 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 7 ways as a sum of consecutive naturals, for example, 1275749 + ... + 1275858.

It is an arithmetic number, because the mean of its divisors is an integer number (22964472).

Almost surely, 2^140338385 is an apocalyptic number.

It is an amenable number.

140338385 is a deficient number, since it is larger than the sum of its proper divisors (43377391).

140338385 is a wasteful number, since it uses less digits than its factorization.

140338385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2551623.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 140338385 is about 11846.4503122243. The cubic root of 140338385 is about 519.6674217059.

The spelling of 140338385 in words is "one hundred forty million, three hundred thirty-eight thousand, three hundred eighty-five".