1139908 has 24 divisors (see below), whose sum is σ = 2487744. Its totient is φ = 444000.

The previous prime is 1139869. The next prime is 1139909. The reversal of 1139908 is 8099311.

1139908 is nontrivially palindromic in base 6 and base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 1139908.

It is not an unprimeable number, because it can be changed into a prime (1139909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1543 + ... + 2158.

It is an arithmetic number, because the mean of its divisors is an integer number (103656).

2^1139908 is an apocalyptic number.

It is an amenable number.

1139908 is an abundant number, since it is smaller than the sum of its proper divisors (1347836).

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

1139908 is a wasteful number, since it uses less digits than its factorization.

1139908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3723 (or 3721 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 31.

The square root of 1139908 is about 1067.6647413865. The cubic root of 1139908 is about 104.4615824534.

The spelling of 1139908 in words is "one million, one hundred thirty-nine thousand, nine hundred eight".