1139936 has 36 divisors (see below), whose sum is σ = 2614248. Its totient is φ = 487872.

The previous prime is 1139921. The next prime is 1139951. The reversal of 1139936 is 6399311.

It is an interprime number because it is at equal distance from previous prime (1139921) and next prime (1139951).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1205 + ... + 1931.

It is an arithmetic number, because the mean of its divisors is an integer number (72618).

2^1139936 is an apocalyptic number.

1139936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1139936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1307124).

1139936 is an abundant number, since it is smaller than the sum of its proper divisors (1474312).

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

1139936 is an equidigital number, since it uses as much as digits as its factorization.

1139936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751 (or 736 counting only the distinct ones).

The product of its digits is 4374, while the sum is 32.

The square root of 1139936 is about 1067.6778540365. The cubic root of 1139936 is about 104.4624377564.

The spelling of 1139936 in words is "one million, one hundred thirty-nine thousand, nine hundred thirty-six".