1138133190 has 16 divisors (see below), whose sum is σ = 2731519728. Its totient is φ = 303502176.

The previous prime is 1138133189. The next prime is 1138133207. The reversal of 1138133190 is 913318311.

It is a happy number.

It is a super-2 number, since 2×1138133190² = 2590694316359152200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 37937773 = 1138133190 / (1 + 1 + 3 + 8 + 1 + 3 + 3 + 1 + 9 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18968857 + ... + 18968916.

It is an arithmetic number, because the mean of its divisors is an integer number (170719983).

Almost surely, 2^1138133190 is an apocalyptic number.

1138133190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1138133190 is an abundant number, since it is smaller than the sum of its proper divisors (1593386538).

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

1138133190 is a wasteful number, since it uses less digits than its factorization.

1138133190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37937783.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 1138133190 is about 33736.2296352156. The cubic root of 1138133190 is about 1044.0733954801.

The spelling of 1138133190 in words is "one billion, one hundred thirty-eight million, one hundred thirty-three thousand, one hundred ninety".