1136898 has 36 divisors (see below), whose sum is σ = 2867670. Its totient is φ = 324576.

The previous prime is 1136897. The next prime is 1136917. The reversal of 1136898 is 8986311.

It can be written as a sum of positive squares in only one way, i.e., 815409 + 321489 = 903^2 + 567^2 .

It is not an unprimeable number, because it can be changed into a prime (1136897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 238 + ... + 1526.

2^1136898 is an apocalyptic number.

1136898 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1136898, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1433835).

1136898 is an abundant number, since it is smaller than the sum of its proper divisors (1730772).

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

1136898 is a wasteful number, since it uses less digits than its factorization.

1136898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1311 (or 1301 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 1136898 is about 1066.2541910820. The cubic root of 1136898 is about 104.3695555744.

The spelling of 1136898 in words is "one million, one hundred thirty-six thousand, eight hundred ninety-eight".