40157713 has 2 divisors, whose sum is σ = 40157714. Its totient is φ = 40157712.

The previous prime is 40157699. The next prime is 40157753. The reversal of 40157713 is 31775104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40157569 + 144 = 6337^2 + 12^2 .

It is a cyclic number.

It is not a de Polignac number, because 40157713 - 2⁵ = 40157681 is a prime.

It is a super-3 number, since 3×40157713³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (40157753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20078856 + 20078857.

It is an arithmetic number, because the mean of its divisors is an integer number (20078857).

Almost surely, 2^40157713 is an apocalyptic number.

It is an amenable number.

40157713 is a deficient number, since it is larger than the sum of its proper divisors (1).

40157713 is an equidigital number, since it uses as much as digits as its factorization.

40157713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 40157713 is about 6337.0113618330. The cubic root of 40157713 is about 342.4440756187. Note that the first 3 decimals are identical.

The spelling of 40157713 in words is "forty million, one hundred fifty-seven thousand, seven hundred thirteen".