140805338 has 8 divisors (see below), whose sum is σ = 212388480. Its totient is φ = 70009180.

The previous prime is 140805337. The next prime is 140805341. The reversal of 140805338 is 833508041.

It is a happy number.

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

It is a super-2 number, since 2×140805338² = 39652286418588488, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (140805331) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 196298 + ... + 197013.

It is an arithmetic number, because the mean of its divisors is an integer number (26548560).

Almost surely, 2^140805338 is an apocalyptic number.

140805338 is a deficient number, since it is larger than the sum of its proper divisors (71583142).

140805338 is a wasteful number, since it uses less digits than its factorization.

140805338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393492.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 140805338 is about 11866.1425071503. The cubic root of 140805338 is about 520.2431530487.

The spelling of 140805338 in words is "one hundred forty million, eight hundred five thousand, three hundred thirty-eight".