140303738 has 8 divisors (see below), whose sum is σ = 212318388. Its totient is φ = 69530944.

The previous prime is 140303731. The next prime is 140303747. The reversal of 140303738 is 837303041.

It can be written as a sum of positive squares in 2 ways, for example, as 140256649 + 47089 = 11843^2 + 217^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 140303738.

It is not an unprimeable number, because it can be changed into a prime (140303731) 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, 310181 + ... + 310632.

Almost surely, 2^140303738 is an apocalyptic number.

140303738 is a deficient number, since it is larger than the sum of its proper divisors (72014650).

140303738 is a wasteful number, since it uses less digits than its factorization.

140303738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620928.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 140303738 is about 11844.9878851774. The cubic root of 140303738 is about 519.6246527014.

Adding to 140303738 its reverse (837303041), we get a palindrome (977606779).

The spelling of 140303738 in words is "one hundred forty million, three hundred three thousand, seven hundred thirty-eight".