135023450 has 12 divisors (see below), whose sum is σ = 251143710. Its totient is φ = 54009360.

The previous prime is 135023437. The next prime is 135023461. The reversal of 135023450 is 54320531.

It can be written as a sum of positive squares in 3 ways, for example, as 72471169 + 62552281 = 8513^2 + 7909^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1350185 + ... + 1350284.

Almost surely, 2^135023450 is an apocalyptic number.

135023450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135023450 is a deficient number, since it is larger than the sum of its proper divisors (116120260).

135023450 is a wasteful number, since it uses less digits than its factorization.

135023450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2700481 (or 2700476 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 135023450 is about 11619.9591221312. The cubic root of 135023450 is about 513.0224851989.

Adding to 135023450 its reverse (54320531), we get a palindrome (189343981).

The spelling of 135023450 in words is "one hundred thirty-five million, twenty-three thousand, four hundred fifty".