134525420 has 48 divisors (see below), whose sum is σ = 302279040. Its totient is φ = 50110464.

The previous prime is 134525411. The next prime is 134525423. The reversal of 134525420 is 24525431.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 134525420.

It is not an unprimeable number, because it can be changed into a prime (134525423) 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 15 ways as a sum of consecutive naturals, for example, 30941 + ... + 35019.

It is an arithmetic number, because the mean of its divisors is an integer number (6297480).

Almost surely, 2^134525420 is an apocalyptic number.

134525420 is a gapful number since it is divisible by the number (10) 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 134525420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151139520).

134525420 is an abundant number, since it is smaller than the sum of its proper divisors (167753620).

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

134525420 is a wasteful number, since it uses less digits than its factorization.

134525420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4202 (or 4200 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 134525420 is about 11598.5093869859. The cubic root of 134525420 is about 512.3909520120.

The spelling of 134525420 in words is "one hundred thirty-four million, five hundred twenty-five thousand, four hundred twenty".