71482139 has 2 divisors, whose sum is σ = 71482140. Its totient is φ = 71482138.

The previous prime is 71482109. The next prime is 71482163. The reversal of 71482139 is 93128417.

It is a strong prime.

It is an emirp because it is prime and its reverse (93128417) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71482139 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 71482099 and 71482108.

It is not a weakly prime, because it can be changed into another prime (71482109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35741069 + 35741070.

It is an arithmetic number, because the mean of its divisors is an integer number (35741070).

Almost surely, 2^71482139 is an apocalyptic number.

71482139 is a deficient number, since it is larger than the sum of its proper divisors (1).

71482139 is an equidigital number, since it uses as much as digits as its factorization.

71482139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 35.

The square root of 71482139 is about 8454.7110536079. The cubic root of 71482139 is about 415.0169616138.

The spelling of 71482139 in words is "seventy-one million, four hundred eighty-two thousand, one hundred thirty-nine".