1138736 has 10 divisors (see below), whose sum is σ = 2206332. Its totient is φ = 569360.

The previous prime is 1138733. The next prime is 1138741. The reversal of 1138736 is 6378311.

It is a junction number, because it is equal to n+sod(n) for n = 1138699 and 1138708.

It is not an unprimeable number, because it can be changed into a prime (1138733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35570 + ... + 35601.

2^1138736 is an apocalyptic number.

1138736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1138736 is a deficient number, since it is larger than the sum of its proper divisors (1067596).

1138736 is an equidigital number, since it uses as much as digits as its factorization.

1138736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71179 (or 71173 counting only the distinct ones).

The product of its digits is 3024, while the sum is 29.

The square root of 1138736 is about 1067.1157388025. The cubic root of 1138736 is about 104.4257693418.

The spelling of 1138736 in words is "one million, one hundred thirty-eight thousand, seven hundred thirty-six".