140143954685 has 16 divisors (see below), whose sum is σ = 202313078400. Its totient is φ = 91040884416.

The previous prime is 140143954679. The next prime is 140143954703. The reversal of 140143954685 is 586459341041.

It is a cyclic number.

It is not a de Polignac number, because 140143954685 - 2⁸ = 140143954429 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105370730 + ... + 105372059.

It is an arithmetic number, because the mean of its divisors is an integer number (12644567400).

Almost surely, 2^140143954685 is an apocalyptic number.

It is an amenable number.

140143954685 is a deficient number, since it is larger than the sum of its proper divisors (62169123715).

140143954685 is a wasteful number, since it uses less digits than its factorization.

140143954685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210742820.

The product of its (nonzero) digits is 2073600, while the sum is 50.

The spelling of 140143954685 in words is "one hundred forty billion, one hundred forty-three million, nine hundred fifty-four thousand, six hundred eighty-five".