140668340132 has 12 divisors (see below), whose sum is σ = 247009766556. Its totient is φ = 70094121120.

The previous prime is 140668340123. The next prime is 140668340159. The reversal of 140668340132 is 231043866041.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 75467781796 + 65200558336 = 274714^2 + 255344^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60010919 + ... + 60013262.

It is an arithmetic number, because the mean of its divisors is an integer number (20584147213).

Almost surely, 2^140668340132 is an apocalyptic number.

It is an amenable number.

140668340132 is a deficient number, since it is larger than the sum of its proper divisors (106341426424).

140668340132 is a wasteful number, since it uses less digits than its factorization.

140668340132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120024478 (or 120024476 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 38.

The spelling of 140668340132 in words is "one hundred forty billion, six hundred sixty-eight million, three hundred forty thousand, one hundred thirty-two".