134575812 has 72 divisors (see below), whose sum is σ = 390930176. Its totient is φ = 38237184.

The previous prime is 134575811. The next prime is 134575849. The reversal of 134575812 is 218575431.

134575812 is a `hidden beast` number, since 1 + 3 + 4 + 575 + 81 + 2 = 666.

It is a super-2 number, since 2×134575812² = 36221298350918688, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (134575811) by changing a digit.

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, 47253 + ... + 50019.

Almost surely, 2^134575812 is an apocalyptic number.

134575812 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 134575812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195465088).

134575812 is an abundant number, since it is smaller than the sum of its proper divisors (256354364).

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

134575812 is a wasteful number, since it uses less digits than its factorization.

134575812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2977 (or 2972 counting only the distinct ones).

The product of its digits is 33600, while the sum is 36.

The square root of 134575812 is about 11600.6815317032. The cubic root of 134575812 is about 512.4549230233.

The spelling of 134575812 in words is "one hundred thirty-four million, five hundred seventy-five thousand, eight hundred twelve".