1406906771 has 2 divisors, whose sum is σ = 1406906772. Its totient is φ = 1406906770.

The previous prime is 1406906741. The next prime is 1406906773. The reversal of 1406906771 is 1776096041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1406906771 - 2⁶ = 1406906707 is a prime.

Together with 1406906773, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1406906773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 703453385 + 703453386.

It is an arithmetic number, because the mean of its divisors is an integer number (703453386).

Almost surely, 2^1406906771 is an apocalyptic number.

1406906771 is a deficient number, since it is larger than the sum of its proper divisors (1).

1406906771 is an equidigital number, since it uses as much as digits as its factorization.

1406906771 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 1406906771 is about 37508.7559244505. The cubic root of 1406906771 is about 1120.5255747040.

The spelling of 1406906771 in words is "one billion, four hundred six million, nine hundred six thousand, seven hundred seventy-one".