1138936 has 32 divisors (see below), whose sum is σ = 2304000. Its totient is φ = 526176.

The previous prime is 1138919. The next prime is 1138957. The reversal of 1138936 is 6398311.

It is a junction number, because it is equal to n+sod(n) for n = 1138898 and 1138907.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8905 + ... + 9031.

It is an arithmetic number, because the mean of its divisors is an integer number (72000).

2^1138936 is an apocalyptic number.

It is an amenable number.

1138936 is an abundant number, since it is smaller than the sum of its proper divisors (1165064).

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

1138936 is a wasteful number, since it uses less digits than its factorization.

1138936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211 (or 207 counting only the distinct ones).

The product of its digits is 3888, while the sum is 31.

The square root of 1138936 is about 1067.2094452356. The cubic root of 1138936 is about 104.4318825326.

The spelling of 1138936 in words is "one million, one hundred thirty-eight thousand, nine hundred thirty-six".