1138532 has 6 divisors (see below), whose sum is σ = 1992438. Its totient is φ = 569264.

The previous prime is 1138519. The next prime is 1138547. The reversal of 1138532 is 2358311.

It can be written as a sum of positive squares in only one way, i.e., 1032256 + 106276 = 1016^2 + 326^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1138498 and 1138507.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142313 + ... + 142320.

It is an arithmetic number, because the mean of its divisors is an integer number (332073).

2^1138532 is an apocalyptic number.

It is an amenable number.

1138532 is a deficient number, since it is larger than the sum of its proper divisors (853906).

1138532 is a wasteful number, since it uses less digits than its factorization.

1138532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284637 (or 284635 counting only the distinct ones).

The product of its digits is 720, while the sum is 23.

The square root of 1138532 is about 1067.0201497629. The cubic root of 1138532 is about 104.4195331497.

The spelling of 1138532 in words is "one million, one hundred thirty-eight thousand, five hundred thirty-two".