1137816 has 24 divisors (see below), whose sum is σ = 3081780. Its totient is φ = 379248.

The previous prime is 1137811. The next prime is 1137817. The reversal of 1137816 is 6187311.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1137816.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1137811) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7830 + ... + 7973.

2^1137816 is an apocalyptic number.

It is an amenable number.

1137816 is an abundant number, since it is smaller than the sum of its proper divisors (1943964).

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

1137816 is a wasteful number, since it uses less digits than its factorization.

1137816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15815 (or 15808 counting only the distinct ones).

The product of its digits is 1008, while the sum is 27.

The square root of 1137816 is about 1066.6845831829. The cubic root of 1137816 is about 104.3976394411.

It can be divided in two parts, 1137 and 816, that added together give a triangular number (1953 = T₆₂).

The spelling of 1137816 in words is "one million, one hundred thirty-seven thousand, eight hundred sixteen".