1406734789 has 2 divisors, whose sum is σ = 1406734790. Its totient is φ = 1406734788.

The previous prime is 1406734753. The next prime is 1406734829. The reversal of 1406734789 is 9874376041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1125602500 + 281132289 = 33550^2 + 16767^2 .

It is an emirp because it is prime and its reverse (9874376041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1406734789 - 2⁷ = 1406734661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1406734739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 703367394 + 703367395.

It is an arithmetic number, because the mean of its divisors is an integer number (703367395).

Almost surely, 2^1406734789 is an apocalyptic number.

It is an amenable number.

1406734789 is a deficient number, since it is larger than the sum of its proper divisors (1).

1406734789 is an equidigital number, since it uses as much as digits as its factorization.

1406734789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1016064, while the sum is 49.

The square root of 1406734789 is about 37506.4632963440. The cubic root of 1406734789 is about 1120.4799147057.

The spelling of 1406734789 in words is "one billion, four hundred six million, seven hundred thirty-four thousand, seven hundred eighty-nine".