140323336 has 8 divisors (see below), whose sum is σ = 263106270. Its totient is φ = 70161664.

The previous prime is 140323333. The next prime is 140323343. The reversal of 140323336 is 633323041.

It can be written as a sum of positive squares in only one way, i.e., 114618436 + 25704900 = 10706^2 + 5070^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 140323336.

It is not an unprimeable number, because it can be changed into a prime (140323333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8770201 + ... + 8770216.

Almost surely, 2^140323336 is an apocalyptic number.

It is an amenable number.

140323336 is a deficient number, since it is larger than the sum of its proper divisors (122782934).

140323336 is a wasteful number, since it uses less digits than its factorization.

140323336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17540423 (or 17540419 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 25.

The square root of 140323336 is about 11845.8151260266. The cubic root of 140323336 is about 519.6488457603.

Adding to 140323336 its reverse (633323041), we get a palindrome (773646377).

The spelling of 140323336 in words is "one hundred forty million, three hundred twenty-three thousand, three hundred thirty-six".