7131681134 has 16 divisors (see below), whose sum is σ = 10940092416. Its totient is φ = 3485796600.

The previous prime is 7131681121. The next prime is 7131681181. The reversal of 7131681134 is 4311861317.

It is a junction number, because it is equal to n+sod(n) for n = 7131681094 and 7131681103.

It is a congruent number.

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, 185582 + ... + 220689.

It is an arithmetic number, because the mean of its divisors is an integer number (683755776).

Almost surely, 2^7131681134 is an apocalyptic number.

7131681134 is a deficient number, since it is larger than the sum of its proper divisors (3808411282).

7131681134 is a wasteful number, since it uses less digits than its factorization.

7131681134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406471.

The product of its digits is 12096, while the sum is 35.

The square root of 7131681134 is about 84449.2814297434. The cubic root of 7131681134 is about 1924.8518362604.

The spelling of 7131681134 in words is "seven billion, one hundred thirty-one million, six hundred eighty-one thousand, one hundred thirty-four".