134813440 has 36 divisors (see below), whose sum is σ = 322923384. Its totient is φ = 53924864.

The previous prime is 134813429. The next prime is 134813461. The reversal of 134813440 is 44318431.

It is a junction number, because it is equal to n+sod(n) for n = 134813399 and 134813408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51382 + ... + 53941.

It is an arithmetic number, because the mean of its divisors is an integer number (8970094).

Almost surely, 2^134813440 is an apocalyptic number.

134813440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134813440 is an abundant number, since it is smaller than the sum of its proper divisors (188109944).

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

134813440 is an equidigital number, since it uses as much as digits as its factorization.

134813440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105344 (or 105330 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 134813440 is about 11610.9189989423. The cubic root of 134813440 is about 512.7563690576.

The spelling of 134813440 in words is "one hundred thirty-four million, eight hundred thirteen thousand, four hundred forty".