134811012 has 96 divisors (see below), whose sum is σ = 371008512. Its totient is φ = 37305216.

The previous prime is 134810999. The next prime is 134811013. The reversal of 134811012 is 210118431.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 134811012.

It is not an unprimeable number, because it can be changed into a prime (134811013) 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, 476223 + ... + 476505.

It is an arithmetic number, because the mean of its divisors is an integer number (3864672).

Almost surely, 2^134811012 is an apocalyptic number.

134811012 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 134811012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185504256).

134811012 is an abundant number, since it is smaller than the sum of its proper divisors (236197500).

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

134811012 is a wasteful number, since it uses less digits than its factorization.

134811012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457 (or 455 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 134811012 is about 11610.8144417177. The cubic root of 134811012 is about 512.7532907791.

Adding to 134811012 its reverse (210118431), we get a palindrome (344929443).

The spelling of 134811012 in words is "one hundred thirty-four million, eight hundred eleven thousand, twelve".