140310047 has 2 divisors, whose sum is σ = 140310048. Its totient is φ = 140310046.

The previous prime is 140310029. The next prime is 140310059. The reversal of 140310047 is 740013041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140310047 - 2¹⁰ = 140309023 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140310007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70155023 + 70155024.

It is an arithmetic number, because the mean of its divisors is an integer number (70155024).

Almost surely, 2^140310047 is an apocalyptic number.

140310047 is a deficient number, since it is larger than the sum of its proper divisors (1).

140310047 is an equidigital number, since it uses as much as digits as its factorization.

140310047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 140310047 is about 11845.2541973568. The cubic root of 140310047 is about 519.6324411914.

Adding to 140310047 its reverse (740013041), we get a palindrome (880323088).

The spelling of 140310047 in words is "one hundred forty million, three hundred ten thousand, forty-seven".