1138732 has 24 divisors (see below), whose sum is σ = 2315264. Its totient is φ = 479952.

The previous prime is 1138729. The next prime is 1138733. The reversal of 1138732 is 2378311.

It is a junction number, because it is equal to n+sod(n) for n = 1138697 and 1138706.

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

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1573 + ... + 2179.

2^1138732 is an apocalyptic number.

It is an amenable number.

1138732 is an abundant number, since it is smaller than the sum of its proper divisors (1176532).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1138732 is a wasteful number, since it uses less digits than its factorization.

1138732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685 (or 683 counting only the distinct ones).

The product of its digits is 1008, while the sum is 25.

The square root of 1138732 is about 1067.1138645899. The cubic root of 1138732 is about 104.4256470707.

The spelling of 1138732 in words is "one million, one hundred thirty-eight thousand, seven hundred thirty-two".