1406402999 has 2 divisors, whose sum is σ = 1406403000. Its totient is φ = 1406402998.

The previous prime is 1406402969. The next prime is 1406403049. The reversal of 1406402999 is 9992046041.

It is a weak prime.

It is an emirp because it is prime and its reverse (9992046041) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1406402999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1406402929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 703201499 + 703201500.

It is an arithmetic number, because the mean of its divisors is an integer number (703201500).

Almost surely, 2^1406402999 is an apocalyptic number.

1406402999 is a deficient number, since it is larger than the sum of its proper divisors (1).

1406402999 is an equidigital number, since it uses as much as digits as its factorization.

1406402999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 1406402999 is about 37502.0399311824. The cubic root of 1406402999 is about 1120.3918163033.

The spelling of 1406402999 in words is "one billion, four hundred six million, four hundred two thousand, nine hundred ninety-nine".