140634230252 has 6 divisors (see below), whose sum is σ = 246109902948. Its totient is φ = 70317115124.

The previous prime is 140634230251. The next prime is 140634230287. The reversal of 140634230252 is 252032436041.

140634230252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (140634230251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17579278778 + ... + 17579278785.

It is an arithmetic number, because the mean of its divisors is an integer number (41018317158).

Almost surely, 2^140634230252 is an apocalyptic number.

It is an amenable number.

140634230252 is a deficient number, since it is larger than the sum of its proper divisors (105475672696).

140634230252 is a wasteful number, since it uses less digits than its factorization.

140634230252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35158557567 (or 35158557565 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 140634230252 its reverse (252032436041), we get a palindrome (392666666293).

The spelling of 140634230252 in words is "one hundred forty billion, six hundred thirty-four million, two hundred thirty thousand, two hundred fifty-two".