71135500 has 24 divisors (see below), whose sum is σ = 155361024. Its totient is φ = 28454000.

The previous prime is 71135473. The next prime is 71135513. The reversal of 71135500 is 553117.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70636 + ... + 71635.

It is an arithmetic number, because the mean of its divisors is an integer number (6473376).

Almost surely, 2^71135500 is an apocalyptic number.

It is an amenable number.

71135500 is an abundant number, since it is smaller than the sum of its proper divisors (84225524).

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

71135500 is a wasteful number, since it uses less digits than its factorization.

71135500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142290 (or 142278 counting only the distinct ones).

The product of its (nonzero) digits is 525, while the sum is 22.

The square root of 71135500 is about 8434.1863863683. The cubic root of 71135500 is about 414.3450257645.

Adding to 71135500 its reverse (553117), we get a palindrome (71688617).

The spelling of 71135500 in words is "seventy-one million, one hundred thirty-five thousand, five hundred".