140483309 has 6 divisors (see below), whose sum is σ = 141571950. Its totient is φ = 139396760.

The previous prime is 140483293. The next prime is 140483311. The reversal of 140483309 is 903384041.

It can be written as a sum of positive squares in only one way, i.e., 94284100 + 46199209 = 9710^2 + 6797^2 .

It is not a de Polignac number, because 140483309 - 2⁴ = 140483293 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 (140483809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 144194 + ... + 145164.

It is an arithmetic number, because the mean of its divisors is an integer number (23595325).

Almost surely, 2^140483309 is an apocalyptic number.

It is an amenable number.

140483309 is a deficient number, since it is larger than the sum of its proper divisors (1088641).

140483309 is an frugal number, since it uses more digits than its factorization.

140483309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2091 (or 1120 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 140483309 is about 11852.5655028774. The cubic root of 140483309 is about 519.8462427555.

The spelling of 140483309 in words is "one hundred forty million, four hundred eighty-three thousand, three hundred nine".