71438143101 has 16 divisors (see below), whose sum is σ = 102608901696. Its totient is φ = 43948624896.

The previous prime is 71438143097. The next prime is 71438143103. The reversal of 71438143101 is 10134183417.

It is a happy number.

It is not a de Polignac number, because 71438143101 - 2² = 71438143097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71438143103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146020 + ... + 405213.

It is an arithmetic number, because the mean of its divisors is an integer number (6413056356).

Almost surely, 2^71438143101 is an apocalyptic number.

It is an amenable number.

71438143101 is a deficient number, since it is larger than the sum of its proper divisors (31170758595).

71438143101 is a wasteful number, since it uses less digits than its factorization.

71438143101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554572.

The product of its (nonzero) digits is 8064, while the sum is 33.

The spelling of 71438143101 in words is "seventy-one billion, four hundred thirty-eight million, one hundred forty-three thousand, one hundred one".