134520030 has 48 divisors (see below), whose sum is σ = 352301040. Its totient is φ = 35610624.

The previous prime is 134519993. The next prime is 134520037. The reversal of 134520030 is 30025431.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 134519985 and 134520012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134520037) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7134 + ... + 17886.

It is an arithmetic number, because the mean of its divisors is an integer number (7339605).

Almost surely, 2^134520030 is an apocalyptic number.

134520030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 134520030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176150520).

134520030 is an abundant number, since it is smaller than the sum of its proper divisors (217781010).

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

134520030 is a wasteful number, since it uses less digits than its factorization.

134520030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10905 (or 10902 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 134520030 is about 11598.2770272140. The cubic root of 134520030 is about 512.3841086359.

Adding to 134520030 its reverse (30025431), we get a palindrome (164545461).

The spelling of 134520030 in words is "one hundred thirty-four million, five hundred twenty thousand, thirty".