140700313 has 8 divisors (see below), whose sum is σ = 160436808. Its totient is φ = 122237184.

The previous prime is 140700311. The next prime is 140700323. The reversal of 140700313 is 313007041.

140700313 = 8387² + 8388².

It can be written as a sum of positive squares in 4 ways, for example, as 57032704 + 83667609 = 7552^2 + 9147^2 .

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 140700313 - 2¹ = 140700311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140700311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 318106 + ... + 318547.

It is an arithmetic number, because the mean of its divisors is an integer number (20054601).

Almost surely, 2^140700313 is an apocalyptic number.

140700313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

140700313 is the 8388-th centered square number.

It is an amenable number.

140700313 is a deficient number, since it is larger than the sum of its proper divisors (19736495).

140700313 is a wasteful number, since it uses less digits than its factorization.

140700313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636683.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 140700313 is about 11861.7162754805. The cubic root of 140700313 is about 520.1137731822.

Adding to 140700313 its reverse (313007041), we get a palindrome (453707354).

The spelling of 140700313 in words is "one hundred forty million, seven hundred thousand, three hundred thirteen".