1396430071 has 2 divisors, whose sum is σ = 1396430072. Its totient is φ = 1396430070.

The previous prime is 1396430053. The next prime is 1396430081. The reversal of 1396430071 is 1700346931.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1396430071 - 2²³ = 1388041463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1396430081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 698215035 + 698215036.

It is an arithmetic number, because the mean of its divisors is an integer number (698215036).

Almost surely, 2^1396430071 is an apocalyptic number.

1396430071 is a deficient number, since it is larger than the sum of its proper divisors (1).

1396430071 is an equidigital number, since it uses as much as digits as its factorization.

1396430071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 1396430071 is about 37368.8382345505. The cubic root of 1396430071 is about 1117.7372660243.

The spelling of 1396430071 in words is "one billion, three hundred ninety-six million, four hundred thirty thousand, seventy-one".