40331240137 has 2 divisors, whose sum is σ = 40331240138. Its totient is φ = 40331240136.

The previous prime is 40331240107. The next prime is 40331240141. The reversal of 40331240137 is 73104213304.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37547200441 + 2784039696 = 193771^2 + 52764^2 .

It is a cyclic number.

It is not a de Polignac number, because 40331240137 - 2¹⁹ = 40330715849 is a prime.

It is not a weakly prime, because it can be changed into another prime (40331240107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20165620068 + 20165620069.

It is an arithmetic number, because the mean of its divisors is an integer number (20165620069).

Almost surely, 2^40331240137 is an apocalyptic number.

It is an amenable number.

40331240137 is a deficient number, since it is larger than the sum of its proper divisors (1).

40331240137 is an equidigital number, since it uses as much as digits as its factorization.

40331240137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 28.

The spelling of 40331240137 in words is "forty billion, three hundred thirty-one million, two hundred forty thousand, one hundred thirty-seven".