135250313205 has 32 divisors (see below), whose sum is σ = 248795817984. Its totient is φ = 61458474816.

The previous prime is 135250313201. The next prime is 135250313213. The reversal of 135250313205 is 502313052531.

It is not a de Polignac number, because 135250313205 - 2² = 135250313201 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135250313201) 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 31 ways as a sum of consecutive naturals, for example, 3839047 + ... + 3874116.

It is an arithmetic number, because the mean of its divisors is an integer number (7774869312).

Almost surely, 2^135250313205 is an apocalyptic number.

135250313205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

135250313205 is a deficient number, since it is larger than the sum of its proper divisors (113545504779).

135250313205 is a wasteful number, since it uses less digits than its factorization.

135250313205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7713345.

The product of its (nonzero) digits is 13500, while the sum is 30.

Adding to 135250313205 its reverse (502313052531), we get a palindrome (637563365736).

The spelling of 135250313205 in words is "one hundred thirty-five billion, two hundred fifty million, three hundred thirteen thousand, two hundred five".