71429138196 has 48 divisors (see below), whose sum is σ = 181339040064. Its totient is φ = 21751612416.

The previous prime is 71429138149. The next prime is 71429138201. The reversal of 71429138196 is 69183192417.

It is a super-2 number, since 2×71429138196² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2345070 + ... + 2375333.

It is an arithmetic number, because the mean of its divisors is an integer number (3777896668).

Almost surely, 2^71429138196 is an apocalyptic number.

It is an amenable number.

71429138196 is an abundant number, since it is smaller than the sum of its proper divisors (109909901868).

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

71429138196 is a wasteful number, since it uses less digits than its factorization.

71429138196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4720520 (or 4720518 counting only the distinct ones).

The product of its digits is 653184, while the sum is 51.

The spelling of 71429138196 in words is "seventy-one billion, four hundred twenty-nine million, one hundred thirty-eight thousand, one hundred ninety-six".