84132408137 has 2 divisors, whose sum is σ = 84132408138. Its totient is φ = 84132408136.

The previous prime is 84132408091. The next prime is 84132408163. The reversal of 84132408137 is 73180423148.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59760202681 + 24372205456 = 244459^2 + 156116^2 .

It is a cyclic number.

It is not a de Polignac number, because 84132408137 - 2²⁰ = 84131359561 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 84132408094 and 84132408103.

It is not a weakly prime, because it can be changed into another prime (84132408037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42066204068 + 42066204069.

It is an arithmetic number, because the mean of its divisors is an integer number (42066204069).

Almost surely, 2^84132408137 is an apocalyptic number.

It is an amenable number.

84132408137 is a deficient number, since it is larger than the sum of its proper divisors (1).

84132408137 is an equidigital number, since it uses as much as digits as its factorization.

84132408137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129024, while the sum is 41.

The spelling of 84132408137 in words is "eighty-four billion, one hundred thirty-two million, four hundred eight thousand, one hundred thirty-seven".