1408207240109 has 2 divisors, whose sum is σ = 1408207240110. Its totient is φ = 1408207240108.

The previous prime is 1408207240087. The next prime is 1408207240133. The reversal of 1408207240109 is 9010427028041.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1404706151209 + 3501088900 = 1185203^2 + 59170^2 .

It is a cyclic number.

It is not a de Polignac number, because 1408207240109 - 2⁸ = 1408207239853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1408207240169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 704103620054 + 704103620055.

It is an arithmetic number, because the mean of its divisors is an integer number (704103620055).

Almost surely, 2^{1408207240109} is an apocalyptic number.

It is an amenable number.

1408207240109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1408207240109 is an equidigital number, since it uses as much as digits as its factorization.

1408207240109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 38.

The spelling of 1408207240109 in words is "one trillion, four hundred eight billion, two hundred seven million, two hundred forty thousand, one hundred nine".