140438395 has 8 divisors (see below), whose sum is σ = 168723504. Its totient is φ = 112219104.

The previous prime is 140438381. The next prime is 140438399. The reversal of 140438395 is 593834041.

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

It is a cyclic number.

It is not a de Polignac number, because 140438395 - 2⁷ = 140438267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140438399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11629 + ... + 20398.

It is an arithmetic number, because the mean of its divisors is an integer number (21090438).

Almost surely, 2^140438395 is an apocalyptic number.

140438395 is a deficient number, since it is larger than the sum of its proper divisors (28285109).

140438395 is an equidigital number, since it uses as much as digits as its factorization.

140438395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32909.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 140438395 is about 11850.6706561274. The cubic root of 140438395 is about 519.7908367361.

The spelling of 140438395 in words is "one hundred forty million, four hundred thirty-eight thousand, three hundred ninety-five".