135404522450 has 48 divisors (see below), whose sum is σ = 266504121216. Its totient is φ = 51077241600.

The previous prime is 135404522431. The next prime is 135404522471. The reversal of 135404522450 is 54225404531.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 135404522450.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 747527 + ... + 910826.

It is an arithmetic number, because the mean of its divisors is an integer number (5552169192).

Almost surely, 2^135404522450 is an apocalyptic number.

135404522450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135404522450 is a deficient number, since it is larger than the sum of its proper divisors (131099598766).

135404522450 is a wasteful number, since it uses less digits than its factorization.

135404522450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1658459 (or 1658454 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

Adding to 135404522450 its reverse (54225404531), we get a palindrome (189629926981).

The spelling of 135404522450 in words is "one hundred thirty-five billion, four hundred four million, five hundred twenty-two thousand, four hundred fifty".