135620500403271 has 16 divisors (see below), whose sum is σ = 194848982488160. Its totient is φ = 83410832177280.

The previous prime is 135620500403231. The next prime is 135620500403299. The reversal of 135620500403271 is 172304005026531.

It is not a de Polignac number, because 135620500403271 - 2¹⁵ = 135620500370503 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135620500403231) 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 15 ways as a sum of consecutive naturals, for example, 998625016 + ... + 998760813.

It is an arithmetic number, because the mean of its divisors is an integer number (12178061405510).

Almost surely, 2^{135620500403271} is an apocalyptic number.

135620500403271 is a deficient number, since it is larger than the sum of its proper divisors (59228482084889).

135620500403271 is a wasteful number, since it uses less digits than its factorization.

135620500403271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1997387586.

The product of its (nonzero) digits is 151200, while the sum is 39.

The spelling of 135620500403271 in words is "one hundred thirty-five trillion, six hundred twenty billion, five hundred million, four hundred three thousand, two hundred seventy-one".