135643186313750 has 40 divisors (see below), whose sum is σ = 256078722484200. Its totient is φ = 53866934352000.

The previous prime is 135643186313731. The next prime is 135643186313759. The reversal of 135643186313750 is 57313681346531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135643186313759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 390166355 + ... + 390513854.

It is an arithmetic number, because the mean of its divisors is an integer number (6401968062105).

Almost surely, 2^{135643186313750} is an apocalyptic number.

135643186313750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135643186313750 is a deficient number, since it is larger than the sum of its proper divisors (120435536170450).

135643186313750 is an equidigital number, since it uses as much as digits as its factorization.

135643186313750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780680370 (or 780680355 counting only the distinct ones).

The product of its (nonzero) digits is 16329600, while the sum is 56.

The spelling of 135643186313750 in words is "one hundred thirty-five trillion, six hundred forty-three billion, one hundred eighty-six million, three hundred thirteen thousand, seven hundred fifty".