1338964900 has 72 divisors (see below), whose sum is σ = 3576090560. Its totient is φ = 423757440.

The previous prime is 1338964883. The next prime is 1338964901. The reversal of 1338964900 is 94698331.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1338964901) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64470 + ... + 82669.

Almost surely, 2^1338964900 is an apocalyptic number.

1338964900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1338964900 is an abundant number, since it is smaller than the sum of its proper divisors (2237125660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1338964900 is a wasteful number, since it uses less digits than its factorization.

1338964900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147173 (or 147166 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 1338964900 is about 36591.8693154641. The cubic root of 1338964900 is about 1102.1898250407.

The spelling of 1338964900 in words is "one billion, three hundred thirty-eight million, nine hundred sixty-four thousand, nine hundred".