140736317 has 4 divisors (see below), whose sum is σ = 140768160. Its totient is φ = 140704476.

The previous prime is 140736307. The next prime is 140736361. The reversal of 140736317 is 713637041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 140736317 - 2⁸ = 140736061 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 (140736307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7967 + ... + 18572.

It is an arithmetic number, because the mean of its divisors is an integer number (35192040).

Almost surely, 2^140736317 is an apocalyptic number.

It is an amenable number.

140736317 is a deficient number, since it is larger than the sum of its proper divisors (31843).

140736317 is an equidigital number, since it uses as much as digits as its factorization.

140736317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31842.

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 140736317 is about 11863.2338339932. The cubic root of 140736317 is about 520.1581336123.

The spelling of 140736317 in words is "one hundred forty million, seven hundred thirty-six thousand, three hundred seventeen".