140434868688 has 40 divisors (see below), whose sum is σ = 378563562048. Its totient is φ = 44776334592.

The previous prime is 140434868657. The next prime is 140434868713. The reversal of 140434868688 is 886868434041.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 63601645 + ... + 63603852.

Almost surely, 2^140434868688 is an apocalyptic number.

It is an amenable number.

140434868688 is an abundant number, since it is smaller than the sum of its proper divisors (238128693360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140434868688 is a wasteful number, since it uses less digits than its factorization.

140434868688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127205531 (or 127205525 counting only the distinct ones).

The product of its (nonzero) digits is 28311552, while the sum is 60.

The spelling of 140434868688 in words is "one hundred forty billion, four hundred thirty-four million, eight hundred sixty-eight thousand, six hundred eighty-eight".