1406690029 has 2 divisors, whose sum is σ = 1406690030. Its totient is φ = 1406690028.

The previous prime is 1406690027. The next prime is 1406690083. The reversal of 1406690029 is 9200966041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1359396900 + 47293129 = 36870^2 + 6877^2 .

It is a cyclic number.

It is not a de Polignac number, because 1406690029 - 2¹ = 1406690027 is a prime.

Together with 1406690027, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1406690029.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1406690027) 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, 703345014 + 703345015.

It is an arithmetic number, because the mean of its divisors is an integer number (703345015).

Almost surely, 2^1406690029 is an apocalyptic number.

It is an amenable number.

1406690029 is a deficient number, since it is larger than the sum of its proper divisors (1).

1406690029 is an equidigital number, since it uses as much as digits as its factorization.

1406690029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 1406690029 is about 37505.8665944409. The cubic root of 1406690029 is about 1120.4680306336.

The spelling of 1406690029 in words is "one billion, four hundred six million, six hundred ninety thousand, twenty-nine".