126510140335513 has 4 divisors (see below), whose sum is σ = 138011062184208. Its totient is φ = 115009218486820.

The previous prime is 126510140335507. The next prime is 126510140335531. The reversal of 126510140335513 is 315533041015621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 126510140335513 - 2²⁵ = 126510106781081 is a prime.

It is a super-2 number, since 2×126510140335513² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126510140335613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5750460924331 + ... + 5750460924352.

It is an arithmetic number, because the mean of its divisors is an integer number (34502765546052).

Almost surely, 2^{126510140335513} is an apocalyptic number.

It is an amenable number.

126510140335513 is a deficient number, since it is larger than the sum of its proper divisors (11500921848695).

126510140335513 is a wasteful number, since it uses less digits than its factorization.

126510140335513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11500921848694.

The product of its (nonzero) digits is 162000, while the sum is 40.

It can be divided in two parts, 1265101 and 40335513, that added together give a palindrome (41600614).

The spelling of 126510140335513 in words is "one hundred twenty-six trillion, five hundred ten billion, one hundred forty million, three hundred thirty-five thousand, five hundred thirteen".