140313361 has 4 divisors (see below), whose sum is σ = 144105652. Its totient is φ = 136521072.

The previous prime is 140313353. The next prime is 140313367. The reversal of 140313361 is 163313041.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 135582736 + 4730625 = 11644^2 + 2175^2 .

It is a cyclic number.

It is not a de Polignac number, because 140313361 - 2³ = 140313353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140313367) 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, 1896090 + ... + 1896163.

It is an arithmetic number, because the mean of its divisors is an integer number (36026413).

Almost surely, 2^140313361 is an apocalyptic number.

It is an amenable number.

140313361 is a deficient number, since it is larger than the sum of its proper divisors (3792291).

140313361 is an equidigital number, since it uses as much as digits as its factorization.

140313361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3792290.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 140313361 is about 11845.3940837779. The cubic root of 140313361 is about 519.6365322464.

The spelling of 140313361 in words is "one hundred forty million, three hundred thirteen thousand, three hundred sixty-one".