134111428 has 48 divisors (see below), whose sum is σ = 269357760. Its totient is φ = 57859200.

The previous prime is 134111377. The next prime is 134111429. The reversal of 134111428 is 824111431.

It is not an unprimeable number, because it can be changed into a prime (134111429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76975 + ... + 78697.

It is an arithmetic number, because the mean of its divisors is an integer number (5611620).

Almost surely, 2^134111428 is an apocalyptic number.

It is an amenable number.

134111428 is an abundant number, since it is smaller than the sum of its proper divisors (135246332).

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

134111428 is a wasteful number, since it uses less digits than its factorization.

134111428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1828 (or 1826 counting only the distinct ones).

The product of its digits is 768, while the sum is 25.

The square root of 134111428 is about 11580.6488591961. The cubic root of 134111428 is about 511.8647968605.

Adding to 134111428 its reverse (824111431), we get a palindrome (958222859).

It can be divided in two parts, 1341 and 11428, that added together give a square (12769 = 113²).

The spelling of 134111428 in words is "one hundred thirty-four million, one hundred eleven thousand, four hundred twenty-eight".