40015133 has 2 divisors, whose sum is σ = 40015134. Its totient is φ = 40015132.

The previous prime is 40015123. The next prime is 40015163. The reversal of 40015133 is 33151004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33674809 + 6340324 = 5803^2 + 2518^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40015133 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40015123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20007566 + 20007567.

It is an arithmetic number, because the mean of its divisors is an integer number (20007567).

Almost surely, 2^40015133 is an apocalyptic number.

It is an amenable number.

40015133 is a deficient number, since it is larger than the sum of its proper divisors (1).

40015133 is an equidigital number, since it uses as much as digits as its factorization.

40015133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 40015133 is about 6325.7515758999. The cubic root of 40015133 is about 342.0383123410.

Adding to 40015133 its reverse (33151004), we get a palindrome (73166137).

The spelling of 40015133 in words is "forty million, fifteen thousand, one hundred thirty-three".