135440522501245 has 32 divisors (see below), whose sum is σ = 175527886076928. Its totient is φ = 99733646608128.

The previous prime is 135440522501183. The next prime is 135440522501293. The reversal of 135440522501245 is 542105225044531.

It is not a de Polignac number, because 135440522501245 - 2¹¹ = 135440522499197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 210485392 + ... + 211127878.

It is an arithmetic number, because the mean of its divisors is an integer number (5485246439904).

Almost surely, 2^{135440522501245} is an apocalyptic number.

It is an amenable number.

135440522501245 is a deficient number, since it is larger than the sum of its proper divisors (40087363575683).

135440522501245 is a wasteful number, since it uses less digits than its factorization.

135440522501245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651709.

The product of its (nonzero) digits is 960000, while the sum is 43.

Adding to 135440522501245 its reverse (542105225044531), we get a palindrome (677545747545776).

The spelling of 135440522501245 in words is "one hundred thirty-five trillion, four hundred forty billion, five hundred twenty-two million, five hundred one thousand, two hundred forty-five".