71602078135 has 16 divisors (see below), whose sum is σ = 98369137152. Its totient is φ = 49012567200.

The previous prime is 71602078081. The next prime is 71602078169. The reversal of 71602078135 is 53187020617.

It is not a de Polignac number, because 71602078135 - 2²⁷ = 71467860407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1771411 + ... + 1811380.

It is an arithmetic number, because the mean of its divisors is an integer number (6148071072).

Almost surely, 2^71602078135 is an apocalyptic number.

71602078135 is a deficient number, since it is larger than the sum of its proper divisors (26767059017).

71602078135 is a wasteful number, since it uses less digits than its factorization.

71602078135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3583374.

The product of its (nonzero) digits is 70560, while the sum is 40.

The spelling of 71602078135 in words is "seventy-one billion, six hundred two million, seventy-eight thousand, one hundred thirty-five".