140517143 has 8 divisors (see below), whose sum is σ = 157905888. Its totient is φ = 124068384.

The previous prime is 140517133. The next prime is 140517161. The reversal of 140517143 is 341715041.

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

It is a cyclic number.

It is not a de Polignac number, because 140517143 - 2¹⁰ = 140516119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140517133) 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, 234680 + ... + 235277.

It is an arithmetic number, because the mean of its divisors is an integer number (19738236).

Almost surely, 2^140517143 is an apocalyptic number.

140517143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

140517143 is a deficient number, since it is larger than the sum of its proper divisors (17388745).

140517143 is a wasteful number, since it uses less digits than its factorization.

140517143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469993.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 140517143 is about 11853.9927028829. The cubic root of 140517143 is about 519.8879726618.

The spelling of 140517143 in words is "one hundred forty million, five hundred seventeen thousand, one hundred forty-three".