71507283136 has 42 divisors (see below), whose sum is σ = 146959109180. Its totient is φ = 34520731392.

The previous prime is 71507283109. The next prime is 71507283149. The reversal of 71507283136 is 63138270517.

It is a super-2 number, since 2×71507283136² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 71507283092 and 71507283101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 610446 + ... + 718093.

Almost surely, 2^71507283136 is an apocalyptic number.

It is an amenable number.

71507283136 is an abundant number, since it is smaller than the sum of its proper divisors (75451826044).

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

71507283136 is a wasteful number, since it uses less digits than its factorization.

71507283136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1328609 (or 1328570 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 43.

The spelling of 71507283136 in words is "seventy-one billion, five hundred seven million, two hundred eighty-three thousand, one hundred thirty-six".