135246022141 has 4 divisors (see below), whose sum is σ = 135330711292. Its totient is φ = 135161332992.

The previous prime is 135246022139. The next prime is 135246022169. The reversal of 135246022141 is 141220642531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 141220642531 = 156781 ⋅900751.

It can be written as a sum of positive squares in 2 ways, for example, as 17474196100 + 117771826041 = 132190^2 + 343179^2 .

It is a cyclic number.

It is not a de Polignac number, because 135246022141 - 2¹ = 135246022139 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 (135246022181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42342180 + ... + 42345373.

It is an arithmetic number, because the mean of its divisors is an integer number (33832677823).

Almost surely, 2^135246022141 is an apocalyptic number.

It is an amenable number.

135246022141 is a deficient number, since it is larger than the sum of its proper divisors (84689151).

135246022141 is an equidigital number, since it uses as much as digits as its factorization.

135246022141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84689150.

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 135246022141 its reverse (141220642531), we get a palindrome (276466664672).

The spelling of 135246022141 in words is "one hundred thirty-five billion, two hundred forty-six million, twenty-two thousand, one hundred forty-one".