71112136 has 32 divisors (see below), whose sum is σ = 146462400. Its totient is φ = 32218560.

The previous prime is 71112131. The next prime is 71112161. The reversal of 71112136 is 63121117.

It is not an unprimeable number, because it can be changed into a prime (71112131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6675 + ... + 13666.

It is an arithmetic number, because the mean of its divisors is an integer number (4576950).

Almost surely, 2^71112136 is an apocalyptic number.

71112136 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

71112136 is an abundant number, since it is smaller than the sum of its proper divisors (75350264).

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

71112136 is a wasteful number, since it uses less digits than its factorization.

71112136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20389 (or 20385 counting only the distinct ones).

The product of its digits is 252, while the sum is 22.

The square root of 71112136 is about 8432.8011953324. The cubic root of 71112136 is about 414.2996578060.

The spelling of 71112136 in words is "seventy-one million, one hundred twelve thousand, one hundred thirty-six".