140743317 has 64 divisors (see below), whose sum is σ = 239984640. Its totient is φ = 72057600.

The previous prime is 140743297. The next prime is 140743321. The reversal of 140743317 is 713347041.

It is not a de Polignac number, because 140743317 - 2¹⁰ = 140742293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140743327) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 252403 + ... + 252959.

It is an arithmetic number, because the mean of its divisors is an integer number (3749760).

Almost surely, 2^140743317 is an apocalyptic number.

It is an amenable number.

140743317 is a deficient number, since it is larger than the sum of its proper divisors (99241323).

140743317 is a wasteful number, since it uses less digits than its factorization.

140743317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634.

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 140743317 is about 11863.5288594920. The cubic root of 140743317 is about 520.1667574147.

It can be divided in two parts, 14074 and 3317, that added together give a triangular number (17391 = T₁₈₆).

The spelling of 140743317 in words is "one hundred forty million, seven hundred forty-three thousand, three hundred seventeen".