135424135450 has 24 divisors (see below), whose sum is σ = 252274693788. Its totient is φ = 54086686080.

The previous prime is 135424135433. The next prime is 135424135481. The reversal of 135424135450 is 54531424531.

It can be written as a sum of positive squares in 6 ways, for example, as 70128043489 + 65296091961 = 264817^2 + 255531^2 .

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 2041227 + ... + 2106526.

Almost surely, 2^135424135450 is an apocalyptic number.

135424135450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135424135450 is a deficient number, since it is larger than the sum of its proper divisors (116850558338).

135424135450 is a wasteful number, since it uses less digits than its factorization.

135424135450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4148418 (or 4148413 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 37.

Adding to 135424135450 its reverse (54531424531), we get a palindrome (189955559981).

The spelling of 135424135450 in words is "one hundred thirty-five billion, four hundred twenty-four million, one hundred thirty-five thousand, four hundred fifty".