71400689132 has 12 divisors (see below), whose sum is σ = 124956489840. Its totient is φ = 35698834896.

The previous prime is 71400689131. The next prime is 71400689183. The reversal of 71400689132 is 23198600417.

It is a self number, because there is not a number n which added to its sum of digits gives 71400689132.

It is not an unprimeable number, because it can be changed into a prime (71400689131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267443 + ... + 462954.

It is an arithmetic number, because the mean of its divisors is an integer number (10413040820).

Almost surely, 2^71400689132 is an apocalyptic number.

It is an amenable number.

71400689132 is a deficient number, since it is larger than the sum of its proper divisors (53555800708).

71400689132 is a wasteful number, since it uses less digits than its factorization.

71400689132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754840 (or 754838 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 41.

The spelling of 71400689132 in words is "seventy-one billion, four hundred million, six hundred eighty-nine thousand, one hundred thirty-two".