854216137 has 2 divisors, whose sum is σ = 854216138. Its totient is φ = 854216136.

The previous prime is 854216131. The next prime is 854216147. The reversal of 854216137 is 731612458.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 846286281 + 7929856 = 29091^2 + 2816^2 .

It is a cyclic number.

It is not a de Polignac number, because 854216137 - 2¹⁹ = 853691849 is a prime.

It is a super-2 number, since 2×854216137² = 1459370417422405538, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 854216096 and 854216105.

It is not a weakly prime, because it can be changed into another prime (854216131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 427108068 + 427108069.

It is an arithmetic number, because the mean of its divisors is an integer number (427108069).

Almost surely, 2^854216137 is an apocalyptic number.

It is an amenable number.

854216137 is a deficient number, since it is larger than the sum of its proper divisors (1).

854216137 is an equidigital number, since it uses as much as digits as its factorization.

854216137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 37.

The square root of 854216137 is about 29226.9761863933. The cubic root of 854216137 is about 948.8318558063.

The spelling of 854216137 in words is "eight hundred fifty-four million, two hundred sixteen thousand, one hundred thirty-seven".