140233402 has 8 divisors (see below), whose sum is σ = 210755412. Its totient is φ = 69981600.

The previous prime is 140233393. The next prime is 140233403. The reversal of 140233402 is 204332041.

140233402 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 133888041 + 6345361 = 11571^2 + 2519^2 .

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 140233402.

It is not an unprimeable number, because it can be changed into a prime (140233403) 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, 66249 + ... + 68332.

Almost surely, 2^140233402 is an apocalyptic number.

140233402 is a deficient number, since it is larger than the sum of its proper divisors (70522010).

140233402 is a wasteful number, since it uses less digits than its factorization.

140233402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135104.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 140233402 is about 11842.0184934833. The cubic root of 140233402 is about 519.5378067647.

Adding to 140233402 its reverse (204332041), we get a palindrome (344565443).

The spelling of 140233402 in words is "one hundred forty million, two hundred thirty-three thousand, four hundred two".