140315347 has 4 divisors (see below), whose sum is σ = 140354280. Its totient is φ = 140276416.

The previous prime is 140315339. The next prime is 140315389. The reversal of 140315347 is 743513041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 743513041 = 269 ⋅2763989.

It is a cyclic number.

It is not a de Polignac number, because 140315347 - 2³ = 140315339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140315317) 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 3 ways as a sum of consecutive naturals, for example, 13438 + ... + 21475.

It is an arithmetic number, because the mean of its divisors is an integer number (35088570).

Almost surely, 2^140315347 is an apocalyptic number.

140315347 is a deficient number, since it is larger than the sum of its proper divisors (38933).

140315347 is an equidigital number, since it uses as much as digits as its factorization.

140315347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38932.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 140315347 is about 11845.4779135331. The cubic root of 140315347 is about 519.6389838858.

Adding to 140315347 its reverse (743513041), we get a palindrome (883828388).

The spelling of 140315347 in words is "one hundred forty million, three hundred fifteen thousand, three hundred forty-seven".