140230352 has 20 divisors (see below), whose sum is σ = 273839616. Its totient is φ = 69562080.

The previous prime is 140230327. The next prime is 140230357. The reversal of 140230352 is 253032041.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140230357) 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, 32474 + ... + 36537.

Almost surely, 2^140230352 is an apocalyptic number.

It is an amenable number.

140230352 is a deficient number, since it is larger than the sum of its proper divisors (133609264).

140230352 is a wasteful number, since it uses less digits than its factorization.

140230352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69146 (or 69140 counting only the distinct ones).

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

The square root of 140230352 is about 11841.8897140617. The cubic root of 140230352 is about 519.5340401827.

Adding to 140230352 its reverse (253032041), we get a palindrome (393262393).

The spelling of 140230352 in words is "one hundred forty million, two hundred thirty thousand, three hundred fifty-two".