134504440 has 32 divisors (see below), whose sum is σ = 345869280. Its totient is φ = 46115712.

The previous prime is 134504429. The next prime is 134504441. The reversal of 134504440 is 44405431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134504441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239907 + ... + 240466.

It is an arithmetic number, because the mean of its divisors is an integer number (10808415).

Almost surely, 2^134504440 is an apocalyptic number.

134504440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134504440 is an abundant number, since it is smaller than the sum of its proper divisors (211364840).

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

134504440 is a wasteful number, since it uses less digits than its factorization.

134504440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480391 (or 480387 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 134504440 is about 11597.6049251559. The cubic root of 134504440 is about 512.3643138716.

Adding to 134504440 its reverse (44405431), we get a palindrome (178909871).

Subtracting from 134504440 its reverse (44405431), we obtain a palindrome (90099009).

It can be divided in two parts, 134504 and 440, that multiplied together give a triangular number (59181760 = T₁₀₈₇₉).

The spelling of 134504440 in words is "one hundred thirty-four million, five hundred four thousand, four hundred forty".