71140254036 has 24 divisors (see below), whose sum is σ = 166114863264. Its totient is φ = 23696141280.

The previous prime is 71140254001. The next prime is 71140254037. The reversal of 71140254036 is 63045204117.

It is a super-2 number, since 2×71140254036² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 71140253988 and 71140254006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71140254037) 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 in 7 ways as a sum of consecutive naturals, for example, 2142430 + ... + 2175381.

It is an arithmetic number, because the mean of its divisors is an integer number (6921452636).

Almost surely, 2^71140254036 is an apocalyptic number.

It is an amenable number.

71140254036 is an abundant number, since it is smaller than the sum of its proper divisors (94974609228).

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

71140254036 is a wasteful number, since it uses less digits than its factorization.

71140254036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4319191 (or 4319189 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The spelling of 71140254036 in words is "seventy-one billion, one hundred forty million, two hundred fifty-four thousand, thirty-six".