134278812 has 72 divisors (see below), whose sum is σ = 352602432. Its totient is φ = 43056000.

The previous prime is 134278789. The next prime is 134278841. The reversal of 134278812 is 218872431.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 102562 + ... + 103862.

It is an arithmetic number, because the mean of its divisors is an integer number (4897256).

Almost surely, 2^134278812 is an apocalyptic number.

134278812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134278812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176301216).

134278812 is an abundant number, since it is smaller than the sum of its proper divisors (218323620).

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

134278812 is a wasteful number, since it uses less digits than its factorization.

134278812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1419 (or 1414 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 134278812 is about 11587.8734891265. The cubic root of 134278812 is about 512.0776605424.

The spelling of 134278812 in words is "one hundred thirty-four million, two hundred seventy-eight thousand, eight hundred twelve".