140338289 has 8 divisors (see below), whose sum is σ = 172724160. Its totient is φ = 111036816.

The previous prime is 140338259. The next prime is 140338291. The reversal of 140338289 is 982833041.

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 140338289 - 2¹⁶ = 140272753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140338229) by changing a digit.

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, 770999 + ... + 771180.

It is an arithmetic number, because the mean of its divisors is an integer number (21590520).

Almost surely, 2^140338289 is an apocalyptic number.

It is an amenable number.

140338289 is a deficient number, since it is larger than the sum of its proper divisors (32385871).

140338289 is a wasteful number, since it uses less digits than its factorization.

140338289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1542199.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 140338289 is about 11846.4462603770. The cubic root of 140338289 is about 519.6673032111.

It can be divided in two parts, 14033 and 8289, that added together give a palindrome (22322).

The spelling of 140338289 in words is "one hundred forty million, three hundred thirty-eight thousand, two hundred eighty-nine".