1338379192 has 8 divisors (see below), whose sum is σ = 2509461000. Its totient is φ = 669189592.

The previous prime is 1338379183. The next prime is 1338379193. The reversal of 1338379192 is 2919738331.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1338379193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83648692 + ... + 83648707.

It is an arithmetic number, because the mean of its divisors is an integer number (313682625).

Almost surely, 2^1338379192 is an apocalyptic number.

It is an amenable number.

1338379192 is a deficient number, since it is larger than the sum of its proper divisors (1171081808).

1338379192 is a wasteful number, since it uses less digits than its factorization.

1338379192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167297405 (or 167297401 counting only the distinct ones).

The product of its digits is 244944, while the sum is 46.

The square root of 1338379192 is about 36583.8651867186. The cubic root of 1338379192 is about 1102.0290900454.

The spelling of 1338379192 in words is "one billion, three hundred thirty-eight million, three hundred seventy-nine thousand, one hundred ninety-two".