71140916135 has 4 divisors (see below), whose sum is σ = 85369099368. Its totient is φ = 56912732904.

The previous prime is 71140916123. The next prime is 71140916149. The reversal of 71140916135 is 53161904117.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 71140916135 - 2¹⁴ = 71140899751 is a prime.

It is a super-2 number, since 2×71140916135² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7114091609 + ... + 7114091618.

It is an arithmetic number, because the mean of its divisors is an integer number (21342274842).

Almost surely, 2^71140916135 is an apocalyptic number.

71140916135 is a deficient number, since it is larger than the sum of its proper divisors (14228183233).

71140916135 is a wasteful number, since it uses less digits than its factorization.

71140916135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14228183232.

The product of its (nonzero) digits is 22680, while the sum is 38.

The spelling of 71140916135 in words is "seventy-one billion, one hundred forty million, nine hundred sixteen thousand, one hundred thirty-five".