71071371140 has 96 divisors (see below), whose sum is σ = 188320011264. Its totient is φ = 21885183360.

The previous prime is 71071371089. The next prime is 71071371143. The reversal of 71071371140 is 4117317017.

It is a happy number.

It is a super-2 number, since 2×71071371140² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 71071371097 and 71071371106.

It is not an unprimeable number, because it can be changed into a prime (71071371143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 150194 + ... + 405833.

It is an arithmetic number, because the mean of its divisors is an integer number (1961666784).

Almost surely, 2^71071371140 is an apocalyptic number.

71071371140 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

71071371140 is an abundant number, since it is smaller than the sum of its proper divisors (117248640124).

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

71071371140 is a wasteful number, since it uses less digits than its factorization.

71071371140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556137 (or 556135 counting only the distinct ones).

The product of its (nonzero) digits is 4116, while the sum is 32.

Adding to 71071371140 its reverse (4117317017), we get a palindrome (75188688157).

The spelling of 71071371140 in words is "seventy-one billion, seventy-one million, three hundred seventy-one thousand, one hundred forty".