4540040137 has 2 divisors, whose sum is σ = 4540040138. Its totient is φ = 4540040136.

The previous prime is 4540040093. The next prime is 4540040149. The reversal of 4540040137 is 7310400454.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2774023561 + 1766016576 = 52669^2 + 42024^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4540040137 is a prime.

It is a super-2 number, since 2×4540040137² = 41223928891141957538, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4540040537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2270020068 + 2270020069.

It is an arithmetic number, because the mean of its divisors is an integer number (2270020069).

Almost surely, 2^4540040137 is an apocalyptic number.

It is an amenable number.

4540040137 is a deficient number, since it is larger than the sum of its proper divisors (1).

4540040137 is an equidigital number, since it uses as much as digits as its factorization.

4540040137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 4540040137 is about 67379.8199537517. The cubic root of 4540040137 is about 1655.8458252277.

The spelling of 4540040137 in words is "four billion, five hundred forty million, forty thousand, one hundred thirty-seven".