40365113 has 4 divisors (see below), whose sum is σ = 41456100. Its totient is φ = 39274128.

The previous prime is 40365109. The next prime is 40365121. The reversal of 40365113 is 31156304.

40365113 = 4492² + 4493².

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20187049 + 20178064 = 4493^2 + 4492^2 .

It is a cyclic number.

It is not a de Polignac number, because 40365113 - 2² = 40365109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40365163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 545438 + ... + 545511.

It is an arithmetic number, because the mean of its divisors is an integer number (10364025).

Almost surely, 2^40365113 is an apocalyptic number.

40365113 is the 4493-rd centered square number.

It is an amenable number.

40365113 is a deficient number, since it is larger than the sum of its proper divisors (1090987).

40365113 is a wasteful number, since it uses less digits than its factorization.

40365113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1090986.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 40365113 is about 6353.3544683104. The cubic root of 40365113 is about 343.0325966975.

The spelling of 40365113 in words is "forty million, three hundred sixty-five thousand, one hundred thirteen".