134405210 has 16 divisors (see below), whose sum is σ = 242159976. Its totient is φ = 53710848.

The previous prime is 134405203. The next prime is 134405231. The reversal of 134405210 is 12504431.

It can be written as a sum of positive squares in 4 ways, for example, as 129709321 + 4695889 = 11389^2 + 2167^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5702 + ... + 17358.

Almost surely, 2^134405210 is an apocalyptic number.

134405210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

134405210 is a deficient number, since it is larger than the sum of its proper divisors (107754766).

134405210 is a wasteful number, since it uses less digits than its factorization.

134405210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12817.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 134405210 is about 11593.3260973717. The cubic root of 134405210 is about 512.2382847760.

Adding to 134405210 its reverse (12504431), we get a palindrome (146909641).

The spelling of 134405210 in words is "one hundred thirty-four million, four hundred five thousand, two hundred ten".