1138147234 has 32 divisors (see below), whose sum is σ = 2081969280. Its totient is φ = 455766912.

The previous prime is 1138147223. The next prime is 1138147247. The reversal of 1138147234 is 4327418311.

It is a self number, because there is not a number n which added to its sum of digits gives 1138147234.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9889 + ... + 48724.

It is an arithmetic number, because the mean of its divisors is an integer number (65061540).

Almost surely, 2^1138147234 is an apocalyptic number.

1138147234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1138147234 is a deficient number, since it is larger than the sum of its proper divisors (943822046).

1138147234 is a wasteful number, since it uses less digits than its factorization.

1138147234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58714.

The product of its digits is 16128, while the sum is 34.

The square root of 1138147234 is about 33736.4377787579. The cubic root of 1138147234 is about 1044.0776899120.

The spelling of 1138147234 in words is "one billion, one hundred thirty-eight million, one hundred forty-seven thousand, two hundred thirty-four".