5131126635 has 16 divisors (see below), whose sum is σ = 8210800896. Its totient is φ = 2736268128.

The previous prime is 5131126633. The next prime is 5131126639. The reversal of 5131126635 is 5366211315.

It is not a de Polignac number, because 5131126635 - 2¹ = 5131126633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5131126596 and 5131126605.

It is not an unprimeable number, because it can be changed into a prime (5131126631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154152 + ... + 184458.

It is an arithmetic number, because the mean of its divisors is an integer number (513175056).

Almost surely, 2^5131126635 is an apocalyptic number.

5131126635 is a deficient number, since it is larger than the sum of its proper divisors (3079674261).

5131126635 is a wasteful number, since it uses less digits than its factorization.

5131126635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41602.

The product of its digits is 16200, while the sum is 33.

The square root of 5131126635 is about 71631.8828106591. The cubic root of 5131126635 is about 1724.7953699714.

The spelling of 5131126635 in words is "five billion, one hundred thirty-one million, one hundred twenty-six thousand, six hundred thirty-five".