135400214 has 4 divisors (see below), whose sum is σ = 203100324. Its totient is φ = 67700106.

The previous prime is 135400207. The next prime is 135400229. The reversal of 135400214 is 412004531.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33850052 + ... + 33850055.

It is an arithmetic number, because the mean of its divisors is an integer number (50775081).

Almost surely, 2^135400214 is an apocalyptic number.

135400214 is a deficient number, since it is larger than the sum of its proper divisors (67700110).

135400214 is an equidigital number, since it uses as much as digits as its factorization.

135400214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67700109.

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

The square root of 135400214 is about 11636.1597617083. The cubic root of 135400214 is about 513.4992144890.

Adding to 135400214 its reverse (412004531), we get a palindrome (547404745).

The spelling of 135400214 in words is "one hundred thirty-five million, four hundred thousand, two hundred fourteen".