130251636136523 has 4 divisors (see below), whose sum is σ = 142092693967128. Its totient is φ = 118410578305920.

The previous prime is 130251636136493. The next prime is 130251636136541. The reversal of 130251636136523 is 325631636152031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 130251636136523 - 2⁴⁴ = 112659450092107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130251636132523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5920528915286 + ... + 5920528915307.

It is an arithmetic number, because the mean of its divisors is an integer number (35523173491782).

Almost surely, 2^{130251636136523} is an apocalyptic number.

130251636136523 is a deficient number, since it is larger than the sum of its proper divisors (11841057830605).

130251636136523 is a wasteful number, since it uses less digits than its factorization.

130251636136523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11841057830604.

The product of its (nonzero) digits is 1749600, while the sum is 47.

The spelling of 130251636136523 in words is "one hundred thirty trillion, two hundred fifty-one billion, six hundred thirty-six million, one hundred thirty-six thousand, five hundred twenty-three".