140317894523 has 8 divisors (see below), whose sum is σ = 145459497600. Its totient is φ = 135196495168.

The previous prime is 140317894513. The next prime is 140317894531. The reversal of 140317894523 is 325498713041.

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-140317894523 is a prime.

It is a super-2 number, since 2×140317894523² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140317894513) 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, 5036786 + ... + 5064567.

It is an arithmetic number, because the mean of its divisors is an integer number (18182437200).

Almost surely, 2^140317894523 is an apocalyptic number.

140317894523 is a deficient number, since it is larger than the sum of its proper divisors (5141603077).

140317894523 is a wasteful number, since it uses less digits than its factorization.

140317894523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10101861.

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 140317894523 in words is "one hundred forty billion, three hundred seventeen million, eight hundred ninety-four thousand, five hundred twenty-three".