40190141 has 2 divisors, whose sum is σ = 40190142. Its totient is φ = 40190140.

The previous prime is 40190099. The next prime is 40190173. The reversal of 40190141 is 14109104.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36844900 + 3345241 = 6070^2 + 1829^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40190141 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40190041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20095070 + 20095071.

It is an arithmetic number, because the mean of its divisors is an integer number (20095071).

Almost surely, 2^40190141 is an apocalyptic number.

It is an amenable number.

40190141 is a deficient number, since it is larger than the sum of its proper divisors (1).

40190141 is an equidigital number, since it uses as much as digits as its factorization.

40190141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 40190141 is about 6339.5694648769. The cubic root of 40190141 is about 342.5362271872.

Adding to 40190141 its reverse (14109104), we get a palindrome (54299245).

The spelling of 40190141 in words is "forty million, one hundred ninety thousand, one hundred forty-one".