1138577012 has 12 divisors (see below), whose sum is σ = 1994835360. Its totient is φ = 568624056.

The previous prime is 1138577003. The next prime is 1138577081. The reversal of 1138577012 is 2107758311.

It is a happy number.

It is a super-2 number, since 2×1138577012² = 2592715224509696288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162248 + ... + 169119.

It is an arithmetic number, because the mean of its divisors is an integer number (166236280).

Almost surely, 2^1138577012 is an apocalyptic number.

It is an amenable number.

1138577012 is a deficient number, since it is larger than the sum of its proper divisors (856258348).

1138577012 is a wasteful number, since it uses less digits than its factorization.

1138577012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332230 (or 332228 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 35.

The square root of 1138577012 is about 33742.8068186391. The cubic root of 1138577012 is about 1044.2090921122.

The spelling of 1138577012 in words is "one billion, one hundred thirty-eight million, five hundred seventy-seven thousand, twelve".