1138595020 has 12 divisors (see below), whose sum is σ = 2391049584. Its totient is φ = 455438000.

The previous prime is 1138594981. The next prime is 1138595027. The reversal of 1138595020 is 205958311.

1138595020 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1138595027) 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, 28464856 + ... + 28464895.

It is an arithmetic number, because the mean of its divisors is an integer number (199254132).

Almost surely, 2^1138595020 is an apocalyptic number.

1138595020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1138595020 is an abundant number, since it is smaller than the sum of its proper divisors (1252454564).

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

1138595020 is a wasteful number, since it uses less digits than its factorization.

1138595020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56929760 (or 56929758 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 34.

The square root of 1138595020 is about 33743.0736596416. The cubic root of 1138595020 is about 1044.2145972349.

The spelling of 1138595020 in words is "one billion, one hundred thirty-eight million, five hundred ninety-five thousand, twenty".