134253526420 has 48 divisors (see below), whose sum is σ = 321479495568. Its totient is φ = 46654617600.

The previous prime is 134253526409. The next prime is 134253526447. The reversal of 134253526420 is 24625352431.

It can be written as a sum of positive squares in 8 ways, for example, as 21950792964 + 112302733456 = 148158^2 + 335116^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 134253526420.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15182631 + ... + 15191470.

It is an arithmetic number, because the mean of its divisors is an integer number (6697489491).

Almost surely, 2^134253526420 is an apocalyptic number.

134253526420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134253526420 is an abundant number, since it is smaller than the sum of its proper divisors (187225969148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

134253526420 is a wasteful number, since it uses less digits than its factorization.

134253526420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30374140 (or 30374138 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 37.

Adding to 134253526420 its reverse (24625352431), we get a palindrome (158878878851).

The spelling of 134253526420 in words is "one hundred thirty-four billion, two hundred fifty-three million, five hundred twenty-six thousand, four hundred twenty".