71133477140 has 24 divisors (see below), whose sum is σ = 162960329952. Its totient is φ = 25866718880.

The previous prime is 71133477091. The next prime is 71133477143. The reversal of 71133477140 is 4177433117.

It is a junction number, because it is equal to n+sod(n) for n = 71133477094 and 71133477103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71133477143) 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 7 ways as a sum of consecutive naturals, for example, 161666774 + ... + 161667213.

It is an arithmetic number, because the mean of its divisors is an integer number (6790013748).

Almost surely, 2^71133477140 is an apocalyptic number.

It is an amenable number.

71133477140 is an abundant number, since it is smaller than the sum of its proper divisors (91826852812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71133477140 is a wasteful number, since it uses less digits than its factorization.

71133477140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323334007 (or 323334005 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 38.

The spelling of 71133477140 in words is "seventy-one billion, one hundred thirty-three million, four hundred seventy-seven thousand, one hundred forty".