140231348 has 12 divisors (see below), whose sum is σ = 247935492. Its totient is φ = 69392640.

The previous prime is 140231347. The next prime is 140231359. The reversal of 140231348 is 843132041.

It can be written as a sum of positive squares in 2 ways, for example, as 100440484 + 39790864 = 10022^2 + 6308^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140231347) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 180323 + ... + 181098.

It is an arithmetic number, because the mean of its divisors is an integer number (20661291).

Almost surely, 2^140231348 is an apocalyptic number.

It is an amenable number.

140231348 is a deficient number, since it is larger than the sum of its proper divisors (107704144).

140231348 is a wasteful number, since it uses less digits than its factorization.

140231348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361522 (or 361520 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 140231348 is about 11841.9317680858. The cubic root of 140231348 is about 519.5352701939.

Adding to 140231348 its reverse (843132041), we get a palindrome (983363389).

The spelling of 140231348 in words is "one hundred forty million, two hundred thirty-one thousand, three hundred forty-eight".