134530420 has 48 divisors (see below), whose sum is σ = 294255360. Its totient is φ = 51601536.

The previous prime is 134530411. The next prime is 134530423. The reversal of 134530420 is 24035431.

It is a junction number, because it is equal to n+sod(n) for n = 134530391 and 134530400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134530423) 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, 93829 + ... + 95251.

It is an arithmetic number, because the mean of its divisors is an integer number (6130320).

Almost surely, 2^134530420 is an apocalyptic number.

134530420 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 134530420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147127680).

134530420 is an abundant number, since it is smaller than the sum of its proper divisors (159724940).

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

134530420 is a wasteful number, since it uses less digits than its factorization.

134530420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1624 (or 1622 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 134530420 is about 11598.7249299223. The cubic root of 134530420 is about 512.3973000638.

Adding to 134530420 its reverse (24035431), we get a palindrome (158565851).

The spelling of 134530420 in words is "one hundred thirty-four million, five hundred thirty thousand, four hundred twenty".