1406255339 has 2 divisors, whose sum is σ = 1406255340. Its totient is φ = 1406255338.

The previous prime is 1406255329. The next prime is 1406255381. The reversal of 1406255339 is 9335526041.

It is a weak prime.

It is an emirp because it is prime and its reverse (9335526041) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1406255339 is a prime.

It is not a weakly prime, because it can be changed into another prime (1406255329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 703127669 + 703127670.

It is an arithmetic number, because the mean of its divisors is an integer number (703127670).

Almost surely, 2^1406255339 is an apocalyptic number.

1406255339 is a deficient number, since it is larger than the sum of its proper divisors (1).

1406255339 is an equidigital number, since it uses as much as digits as its factorization.

1406255339 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97200, while the sum is 38.

The square root of 1406255339 is about 37500.0711865991. The cubic root of 1406255339 is about 1120.3526044876.

The spelling of 1406255339 in words is "one billion, four hundred six million, two hundred fifty-five thousand, three hundred thirty-nine".