134205450 has 48 divisors (see below), whose sum is σ = 334368480. Its totient is φ = 35622720.

The previous prime is 134205443. The next prime is 134205469. The reversal of 134205450 is 54502431.

It is a super-2 number, since 2×134205450² = 36022205619405000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 134205450.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32397 + ... + 36303.

It is an arithmetic number, because the mean of its divisors is an integer number (6966010).

Almost surely, 2^134205450 is an apocalyptic number.

134205450 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 134205450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167184240).

134205450 is an abundant number, since it is smaller than the sum of its proper divisors (200163030).

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

134205450 is a wasteful number, since it uses less digits than its factorization.

134205450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4151 (or 4146 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 134205450 is about 11584.7075923391. The cubic root of 134205450 is about 511.9843872396.

Adding to 134205450 its reverse (54502431), we get a palindrome (188707881).

The spelling of 134205450 in words is "one hundred thirty-four million, two hundred five thousand, four hundred fifty".