4540139089 has 2 divisors, whose sum is σ = 4540139090. Its totient is φ = 4540139088.

The previous prime is 4540139083. The next prime is 4540139147. The reversal of 4540139089 is 9809310454.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4475610000 + 64529089 = 66900^2 + 8033^2 .

It is a cyclic number.

It is not a de Polignac number, because 4540139089 - 2³ = 4540139081 is a prime.

It is a super-2 number, since 2×4540139089² = 41225725894931499842, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4540139081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2270069544 + 2270069545.

It is an arithmetic number, because the mean of its divisors is an integer number (2270069545).

Almost surely, 2^4540139089 is an apocalyptic number.

It is an amenable number.

4540139089 is a deficient number, since it is larger than the sum of its proper divisors (1).

4540139089 is an equidigital number, since it uses as much as digits as its factorization.

4540139089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 4540139089 is about 67380.5542348829. The cubic root of 4540139089 is about 1655.8578550821.

The spelling of 4540139089 in words is "four billion, five hundred forty million, one hundred thirty-nine thousand, eighty-nine".