1138363952 has 20 divisors (see below), whose sum is σ = 2406087816. Its totient is φ = 517438080.

The previous prime is 1138363951. The next prime is 1138363981. The reversal of 1138363952 is 2593638311.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1138363951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3233813 + ... + 3234164.

Almost surely, 2^1138363952 is an apocalyptic number.

It is an amenable number.

1138363952 is an abundant number, since it is smaller than the sum of its proper divisors (1267723864).

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

1138363952 is a wasteful number, since it uses less digits than its factorization.

1138363952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6467996 (or 6467990 counting only the distinct ones).

The product of its digits is 116640, while the sum is 41.

The square root of 1138363952 is about 33739.6495536038. The cubic root of 1138363952 is about 1044.1439543524.

The spelling of 1138363952 in words is "one billion, one hundred thirty-eight million, three hundred sixty-three thousand, nine hundred fifty-two".