1338719371 has 4 divisors (see below), whose sum is σ = 1460421144. Its totient is φ = 1217017600.

The previous prime is 1338719353. The next prime is 1338719411. The reversal of 1338719371 is 1739178331.

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

It is a cyclic number.

It is not a de Polignac number, because 1338719371 - 2⁹ = 1338718859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1338719351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60850870 + ... + 60850891.

It is an arithmetic number, because the mean of its divisors is an integer number (365105286).

Almost surely, 2^1338719371 is an apocalyptic number.

1338719371 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1338719371 is a deficient number, since it is larger than the sum of its proper divisors (121701773).

1338719371 is a wasteful number, since it uses less digits than its factorization.

1338719371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121701772.

The product of its digits is 95256, while the sum is 43.

The square root of 1338719371 is about 36588.5141950312. The cubic root of 1338719371 is about 1102.1224505814.

The spelling of 1338719371 in words is "one billion, three hundred thirty-eight million, seven hundred nineteen thousand, three hundred seventy-one".