1136340 has 72 divisors (see below), whose sum is σ = 3538080. Its totient is φ = 295104.

The previous prime is 1136339. The next prime is 1136357. The reversal of 1136340 is 436311.

Added to its reverse (436311) it gives a triangular number (1572651 = T₁₇₇₃).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10567 + ... + 10673.

It is an arithmetic number, because the mean of its divisors is an integer number (49140).

2^1136340 is an apocalyptic number.

1136340 is a gapful number since it is divisible by the number (10) 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 1136340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1769040).

1136340 is an abundant number, since it is smaller than the sum of its proper divisors (2401740).

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

1136340 is a wasteful number, since it uses less digits than its factorization.

1136340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181 (or 176 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1136340 is about 1065.9924952832. The cubic root of 1136340 is about 104.3524776006.

Adding to 1136340 its reverse (436311), we get a triangular number (1572651 = T₁₇₇₃).

The spelling of 1136340 in words is "one million, one hundred thirty-six thousand, three hundred forty".