1138476849 has 8 divisors (see below), whose sum is σ = 1518141312. Its totient is φ = 758898480.

The previous prime is 1138476799. The next prime is 1138476851. The reversal of 1138476849 is 9486748311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1138476849 - 2²³ = 1130088241 is a prime.

It is a super-2 number, since 2×1138476849² = 2592259071417937602, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1138476869) by changing a digit.

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, 21784 + ... + 52454.

It is an arithmetic number, because the mean of its divisors is an integer number (189767664).

Almost surely, 2^1138476849 is an apocalyptic number.

It is an amenable number.

1138476849 is a deficient number, since it is larger than the sum of its proper divisors (379664463).

1138476849 is a wasteful number, since it uses less digits than its factorization.

1138476849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43047.

The product of its digits is 1161216, while the sum is 51.

The square root of 1138476849 is about 33741.3225733669. The cubic root of 1138476849 is about 1044.1784707953.

The spelling of 1138476849 in words is "one billion, one hundred thirty-eight million, four hundred seventy-six thousand, eight hundred forty-nine".