1338901964 has 12 divisors (see below), whose sum is σ = 2345358288. Its totient is φ = 668799600.

The previous prime is 1338901933. The next prime is 1338901969. The reversal of 1338901964 is 4691098331.

It is not an unprimeable number, because it can be changed into a prime (1338901969) 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, 158207 + ... + 166454.

It is an arithmetic number, because the mean of its divisors is an integer number (195446524).

Almost surely, 2^1338901964 is an apocalyptic number.

It is an amenable number.

1338901964 is a deficient number, since it is larger than the sum of its proper divisors (1006456324).

1338901964 is a wasteful number, since it uses less digits than its factorization.

1338901964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325696 (or 325694 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 1338901964 is about 36591.0093328949. The cubic root of 1338901964 is about 1102.1725558537.

The spelling of 1338901964 in words is "one billion, three hundred thirty-eight million, nine hundred one thousand, nine hundred sixty-four".