140323052 has 6 divisors (see below), whose sum is σ = 245565348. Its totient is φ = 70161524.

The previous prime is 140323031. The next prime is 140323067. The reversal of 140323052 is 250323041.

It is a happy number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 17540378 + ... + 17540385.

It is an arithmetic number, because the mean of its divisors is an integer number (40927558).

Almost surely, 2^140323052 is an apocalyptic number.

It is an amenable number.

140323052 is a deficient number, since it is larger than the sum of its proper divisors (105242296).

140323052 is a wasteful number, since it uses less digits than its factorization.

140323052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35080767 (or 35080765 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 140323052 is about 11845.8031386648. The cubic root of 140323052 is about 519.6484951882.

Adding to 140323052 its reverse (250323041), we get a palindrome (390646093).

The spelling of 140323052 in words is "one hundred forty million, three hundred twenty-three thousand, fifty-two".