140591313 has 6 divisors (see below), whose sum is σ = 203076354. Its totient is φ = 93727536.

The previous prime is 140591303. The next prime is 140591327. The reversal of 140591313 is 313195041.

140591313 is a `hidden beast` number, since 1 + 40 + 591 + 31 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 123476544 + 17114769 = 11112^2 + 4137^2 .

It is a de Polignac number, because none of the positive numbers 2^k-140591313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140591303) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7810620 + ... + 7810637.

It is an arithmetic number, because the mean of its divisors is an integer number (33846059).

Almost surely, 2^140591313 is an apocalyptic number.

It is an amenable number.

140591313 is a deficient number, since it is larger than the sum of its proper divisors (62485041).

140591313 is a wasteful number, since it uses less digits than its factorization.

140591313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15621263 (or 15621260 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 140591313 is about 11857.1207719244. The cubic root of 140591313 is about 519.9794284268.

The spelling of 140591313 in words is "one hundred forty million, five hundred ninety-one thousand, three hundred thirteen".