134276478 has 64 divisors (see below), whose sum is σ = 319915008. Its totient is φ = 36771840.

The previous prime is 134276473. The next prime is 134276497. The reversal of 134276478 is 874672431.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134276473) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109726 + ... + 110942.

It is an arithmetic number, because the mean of its divisors is an integer number (4998672).

Almost surely, 2^134276478 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134276478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159957504).

134276478 is an abundant number, since it is smaller than the sum of its proper divisors (185638530).

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

134276478 is a wasteful number, since it uses less digits than its factorization.

134276478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1337.

The product of its digits is 225792, while the sum is 42.

The square root of 134276478 is about 11587.7727799608. The cubic root of 134276478 is about 512.0746935908.

The spelling of 134276478 in words is "one hundred thirty-four million, two hundred seventy-six thousand, four hundred seventy-eight".