1402740847 has 2 divisors, whose sum is σ = 1402740848. Its totient is φ = 1402740846.

The previous prime is 1402740841. The next prime is 1402740893. The reversal of 1402740847 is 7480472041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1402740847 - 2⁷ = 1402740719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1402740841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701370423 + 701370424.

It is an arithmetic number, because the mean of its divisors is an integer number (701370424).

Almost surely, 2^1402740847 is an apocalyptic number.

1402740847 is a deficient number, since it is larger than the sum of its proper divisors (1).

1402740847 is an equidigital number, since it uses as much as digits as its factorization.

1402740847 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50176, while the sum is 37.

The square root of 1402740847 is about 37453.1820677496. The cubic root of 1402740847 is about 1119.4185031492.

The spelling of 1402740847 in words is "one billion, four hundred two million, seven hundred forty thousand, eight hundred forty-seven".