1402215671 has 2 divisors, whose sum is σ = 1402215672. Its totient is φ = 1402215670.

The previous prime is 1402215649. The next prime is 1402215679. The reversal of 1402215671 is 1765122041.

It is a strong prime.

It is an emirp because it is prime and its reverse (1765122041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1402215671 - 2²⁶ = 1335106807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1402215679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701107835 + 701107836.

It is an arithmetic number, because the mean of its divisors is an integer number (701107836).

Almost surely, 2^1402215671 is an apocalyptic number.

1402215671 is a deficient number, since it is larger than the sum of its proper divisors (1).

1402215671 is an equidigital number, since it uses as much as digits as its factorization.

1402215671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 1402215671 is about 37446.1703115285. The cubic root of 1402215671 is about 1119.2787849882.

The spelling of 1402215671 in words is "one billion, four hundred two million, two hundred fifteen thousand, six hundred seventy-one".