40064113 has 2 divisors, whose sum is σ = 40064114. Its totient is φ = 40064112.

The previous prime is 40064099. The next prime is 40064161. The reversal of 40064113 is 31146004.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38353249 + 1710864 = 6193^2 + 1308^2 .

It is a cyclic number.

It is not a de Polignac number, because 40064113 - 2²¹ = 37966961 is a prime.

It is not a weakly prime, because it can be changed into another prime (40064513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20032056 + 20032057.

It is an arithmetic number, because the mean of its divisors is an integer number (20032057).

Almost surely, 2^40064113 is an apocalyptic number.

It is an amenable number.

40064113 is a deficient number, since it is larger than the sum of its proper divisors (1).

40064113 is an equidigital number, since it uses as much as digits as its factorization.

40064113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 40064113 is about 6329.6218686427. The cubic root of 40064113 is about 342.1778112795.

The spelling of 40064113 in words is "forty million, sixty-four thousand, one hundred thirteen".