40071151 has 2 divisors, whose sum is σ = 40071152. Its totient is φ = 40071150.

The previous prime is 40071139. The next prime is 40071169. The reversal of 40071151 is 15117004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40071151 - 2¹⁹ = 39546863 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 (40071121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20035575 + 20035576.

It is an arithmetic number, because the mean of its divisors is an integer number (20035576).

Almost surely, 2^40071151 is an apocalyptic number.

40071151 is a deficient number, since it is larger than the sum of its proper divisors (1).

40071151 is an equidigital number, since it uses as much as digits as its factorization.

40071151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 140, while the sum is 19.

The square root of 40071151 is about 6330.1778016103. The cubic root of 40071151 is about 342.1978467198.

Adding to 40071151 its reverse (15117004), we get a palindrome (55188155).

The spelling of 40071151 in words is "forty million, seventy-one thousand, one hundred fifty-one".