71412137 has 2 divisors, whose sum is σ = 71412138. Its totient is φ = 71412136.

The previous prime is 71412101. The next prime is 71412139. The reversal of 71412137 is 73121417.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50353216 + 21058921 = 7096^2 + 4589^2 .

It is a cyclic number.

It is not a de Polignac number, because 71412137 - 2⁶ = 71412073 is a prime.

Together with 71412139, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (71412139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35706068 + 35706069.

It is an arithmetic number, because the mean of its divisors is an integer number (35706069).

Almost surely, 2^71412137 is an apocalyptic number.

It is an amenable number.

71412137 is a deficient number, since it is larger than the sum of its proper divisors (1).

71412137 is an equidigital number, since it uses as much as digits as its factorization.

71412137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1176, while the sum is 26.

The square root of 71412137 is about 8450.5702174469. The cubic root of 71412137 is about 414.8814428842.

The spelling of 71412137 in words is "seventy-one million, four hundred twelve thousand, one hundred thirty-seven".