140405332132 has 12 divisors (see below), whose sum is σ = 264610049116. Its totient is φ = 64802460960.

The previous prime is 140405332087. The next prime is 140405332139. The reversal of 140405332132 is 231233504041.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 37085515776 + 103319816356 = 192576^2 + 321434^2 .

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 140405332132.

It is not an unprimeable number, because it can be changed into a prime (140405332139) 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, 1350051219 + ... + 1350051322.

Almost surely, 2^140405332132 is an apocalyptic number.

It is an amenable number.

140405332132 is a deficient number, since it is larger than the sum of its proper divisors (124204716984).

140405332132 is a wasteful number, since it uses less digits than its factorization.

140405332132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2700102558 (or 2700102556 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 140405332132 its reverse (231233504041), we get a palindrome (371638836173).

The spelling of 140405332132 in words is "one hundred forty billion, four hundred five million, three hundred thirty-two thousand, one hundred thirty-two".