135203014420 has 24 divisors (see below), whose sum is σ = 284097749544. Its totient is φ = 54048554496.

The previous prime is 135203014417. The next prime is 135203014421. The reversal of 135203014420 is 24410302531.

It can be written as a sum of positive squares in 4 ways, for example, as 20838654736 + 114364359684 = 144356^2 + 338178^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135203014421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2006737 + ... + 2073016.

It is an arithmetic number, because the mean of its divisors is an integer number (11837406231).

Almost surely, 2^135203014420 is an apocalyptic number.

135203014420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135203014420 is an abundant number, since it is smaller than the sum of its proper divisors (148894735124).

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

135203014420 is a wasteful number, since it uses less digits than its factorization.

135203014420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4081419 (or 4081417 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 135203014420 its reverse (24410302531), we get a palindrome (159613316951).

The spelling of 135203014420 in words is "one hundred thirty-five billion, two hundred three million, fourteen thousand, four hundred twenty".