135686645613751 has 8 divisors (see below), whose sum is σ = 135855263444544. Its totient is φ = 135518109623040.

The previous prime is 135686645613749. The next prime is 135686645613839. The reversal of 135686645613751 is 157316546686531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 135686645613751 - 2¹ = 135686645613749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135686645613151) 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 7 ways as a sum of consecutive naturals, for example, 17141730 + ... + 23774191.

It is an arithmetic number, because the mean of its divisors is an integer number (16981907930568).

Almost surely, 2^{135686645613751} is an apocalyptic number.

135686645613751 is a deficient number, since it is larger than the sum of its proper divisors (168617830793).

135686645613751 is a wasteful number, since it uses less digits than its factorization.

135686645613751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40920041.

The product of its digits is 326592000, while the sum is 67.

The spelling of 135686645613751 in words is "one hundred thirty-five trillion, six hundred eighty-six billion, six hundred forty-five million, six hundred thirteen thousand, seven hundred fifty-one".