1538407114 has 4 divisors (see below), whose sum is σ = 2307610674. Its totient is φ = 769203556.

The previous prime is 1538407009. The next prime is 1538407121. The reversal of 1538407114 is 4117048351.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 866301489 + 672105625 = 29433^2 + 25925^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1538407114.

It is an unprimeable number.

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, 384601777 + ... + 384601780.

Almost surely, 2^1538407114 is an apocalyptic number.

1538407114 is a deficient number, since it is larger than the sum of its proper divisors (769203560).

1538407114 is an equidigital number, since it uses as much as digits as its factorization.

1538407114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769203559.

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 1538407114 is about 39222.5332430224. The cubic root of 1538407114 is about 1154.4020602727.

The spelling of 1538407114 in words is "one billion, five hundred thirty-eight million, four hundred seven thousand, one hundred fourteen".