134126478 has 48 divisors (see below), whose sum is σ = 305750016. Its totient is φ = 42411600.

The previous prime is 134126467. The next prime is 134126483. The reversal of 134126478 is 874621431.

134126478 is a `hidden beast` number, since 1 + 3 + 4 + 1 + 2 + 647 + 8 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 51303 + ... + 53853.

It is an arithmetic number, because the mean of its divisors is an integer number (6369792).

Almost surely, 2^134126478 is an apocalyptic number.

134126478 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 134126478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152875008).

134126478 is an abundant number, since it is smaller than the sum of its proper divisors (171623538).

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

134126478 is a wasteful number, since it uses less digits than its factorization.

134126478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2709 (or 2706 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 134126478 is about 11581.2986318461. The cubic root of 134126478 is about 511.8839433199.

The spelling of 134126478 in words is "one hundred thirty-four million, one hundred twenty-six thousand, four hundred seventy-eight".