254135434135 has 16 divisors (see below), whose sum is σ = 350196197760. Its totient is φ = 175098097440.

The previous prime is 254135434103. The next prime is 254135434151. The reversal of 254135434135 is 531434531452.

It is not a de Polignac number, because 254135434135 - 2⁵ = 254135434103 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121594857 + ... + 121596946.

It is an arithmetic number, because the mean of its divisors is an integer number (21887262360).

Almost surely, 2^254135434135 is an apocalyptic number.

254135434135 is a deficient number, since it is larger than the sum of its proper divisors (96060763625).

254135434135 is a wasteful number, since it uses less digits than its factorization.

254135434135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243191838.

The product of its digits is 432000, while the sum is 40.

Adding to 254135434135 its reverse (531434531452), we get a palindrome (785569965587).

The spelling of 254135434135 in words is "two hundred fifty-four billion, one hundred thirty-five million, four hundred thirty-four thousand, one hundred thirty-five".