1400312047 has 2 divisors, whose sum is σ = 1400312048. Its totient is φ = 1400312046.

The previous prime is 1400312029. The next prime is 1400312063. The reversal of 1400312047 is 7402130041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1400312047 - 2²³ = 1391923439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1400312087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700156023 + 700156024.

It is an arithmetic number, because the mean of its divisors is an integer number (700156024).

Almost surely, 2^1400312047 is an apocalyptic number.

1400312047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1400312047 is an equidigital number, since it uses as much as digits as its factorization.

1400312047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 1400312047 is about 37420.7435388449. The cubic root of 1400312047 is about 1118.7720510328.

Adding to 1400312047 its reverse (7402130041), we get a palindrome (8802442088).

The spelling of 1400312047 in words is "one billion, four hundred million, three hundred twelve thousand, forty-seven".