1388132 has 6 divisors (see below), whose sum is σ = 2429238. Its totient is φ = 694064.

The previous prime is 1388117. The next prime is 1388141. The reversal of 1388132 is 2318831.

It can be written as a sum of positive squares in only one way, i.e., 1132096 + 256036 = 1064^2 + 506^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173513 + ... + 173520.

It is an arithmetic number, because the mean of its divisors is an integer number (404873).

2^1388132 is an apocalyptic number.

It is an amenable number.

1388132 is a deficient number, since it is larger than the sum of its proper divisors (1041106).

1388132 is a wasteful number, since it uses less digits than its factorization.

1388132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347037 (or 347035 counting only the distinct ones).

The product of its digits is 1152, while the sum is 26.

The square root of 1388132 is about 1178.1901374566. The cubic root of 1388132 is about 111.5518872098.

The spelling of 1388132 in words is "one million, three hundred eighty-eight thousand, one hundred thirty-two".