140434423165 has 8 divisors (see below), whose sum is σ = 168529304160. Its totient is φ = 112342207632.

The previous prime is 140434423159. The next prime is 140434423169. The reversal of 140434423165 is 561324434041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140434423165 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140434423169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 548559 + ... + 762748.

It is an arithmetic number, because the mean of its divisors is an integer number (21066163020).

Almost surely, 2^140434423165 is an apocalyptic number.

It is an amenable number.

140434423165 is a deficient number, since it is larger than the sum of its proper divisors (28094880995).

140434423165 is a wasteful number, since it uses less digits than its factorization.

140434423165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332731.

The product of its (nonzero) digits is 138240, while the sum is 37.

The spelling of 140434423165 in words is "one hundred forty billion, four hundred thirty-four million, four hundred twenty-three thousand, one hundred sixty-five".