1338933732 has 12 divisors (see below), whose sum is σ = 3124178736. Its totient is φ = 446311240.

The previous prime is 1338933731. The next prime is 1338933733. The reversal of 1338933732 is 2373398331.

It is an interprime number because it is at equal distance from previous prime (1338933731) and next prime (1338933733).

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (1338933731) 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, 55788894 + ... + 55788917.

It is an arithmetic number, because the mean of its divisors is an integer number (260348228).

Almost surely, 2^1338933732 is an apocalyptic number.

1338933732 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1338933732 is an abundant number, since it is smaller than the sum of its proper divisors (1785245004).

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

1338933732 is a wasteful number, since it uses less digits than its factorization.

1338933732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111577818 (or 111577816 counting only the distinct ones).

The product of its digits is 244944, while the sum is 42.

The square root of 1338933732 is about 36591.4434260252. The cubic root of 1338933732 is about 1102.1812728327.

The spelling of 1338933732 in words is "one billion, three hundred thirty-eight million, nine hundred thirty-three thousand, seven hundred thirty-two".