1138577846 has 16 divisors (see below), whose sum is σ = 1952459520. Its totient is φ = 487809000.

The previous prime is 1138577837. The next prime is 1138577857. The reversal of 1138577846 is 6487758311.

It is a super-2 number, since 2×1138577846² = 2592719022803999432, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1138577794 and 1138577803.

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 7 ways as a sum of consecutive naturals, for example, 41471 + ... + 63221.

It is an arithmetic number, because the mean of its divisors is an integer number (122028720).

Almost surely, 2^1138577846 is an apocalyptic number.

1138577846 is a deficient number, since it is larger than the sum of its proper divisors (813881674).

1138577846 is a wasteful number, since it uses less digits than its factorization.

1138577846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25499.

The product of its digits is 1128960, while the sum is 50.

The square root of 1138577846 is about 33742.8191768263. The cubic root of 1138577846 is about 1044.2093470709.

The spelling of 1138577846 in words is "one billion, one hundred thirty-eight million, five hundred seventy-seven thousand, eight hundred forty-six".