36113940 has 72 divisors (see below), whose sum is σ = 110067048. Its totient is φ = 9584640.

The previous prime is 36113929. The next prime is 36113941. The reversal of 36113940 is 4931163.

36113940 is a `hidden beast` number, since 3 + 611 + 3 + 9 + 40 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1468944 + 34644996 = 1212^2 + 5886^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36113941) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56020 + ... + 56660.

It is an arithmetic number, because the mean of its divisors is an integer number (1528709).

Almost surely, 2^36113940 is an apocalyptic number.

36113940 is a gapful number since it is divisible by the number (30) 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 36113940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55033524).

36113940 is an abundant number, since it is smaller than the sum of its proper divisors (73953108).

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

36113940 is a wasteful number, since it uses less digits than its factorization.

36113940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969 (or 964 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 36113940 is about 6009.4874989470. The cubic root of 36113940 is about 330.5407113463.

The spelling of 36113940 in words is "thirty-six million, one hundred thirteen thousand, nine hundred forty".