135454034231 has 4 divisors (see below), whose sum is σ = 135458101464. Its totient is φ = 135449967000.

The previous prime is 135454034227. The next prime is 135454034267. The reversal of 135454034231 is 132430454531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132430454531 = 19231 ⋅6886301.

It is a cyclic number.

It is not a de Polignac number, because 135454034231 - 2² = 135454034227 is a prime.

It is a super-2 number, since 2×135454034231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 135454034191 and 135454034200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135454034431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1983245 + ... + 2050406.

It is an arithmetic number, because the mean of its divisors is an integer number (33864525366).

Almost surely, 2^135454034231 is an apocalyptic number.

135454034231 is a deficient number, since it is larger than the sum of its proper divisors (4067233).

135454034231 is an equidigital number, since it uses as much as digits as its factorization.

135454034231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4067232.

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 135454034231 its reverse (132430454531), we get a palindrome (267884488762).

The spelling of 135454034231 in words is "one hundred thirty-five billion, four hundred fifty-four million, thirty-four thousand, two hundred thirty-one".