134420238 has 24 divisors (see below), whose sum is σ = 294933600. Its totient is φ = 44239104.

The previous prime is 134420233. The next prime is 134420267. The reversal of 134420238 is 832024431.

134420238 is a `hidden beast` number, since 1 + 3 + 4 + 420 + 238 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134420233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45843 + ... + 48686.

It is an arithmetic number, because the mean of its divisors is an integer number (12288900).

Almost surely, 2^134420238 is an apocalyptic number.

134420238 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

134420238 is an abundant number, since it is smaller than the sum of its proper divisors (160513362).

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

134420238 is a wasteful number, since it uses less digits than its factorization.

134420238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94616 (or 94613 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 134420238 is about 11593.9742107700. The cubic root of 134420238 is about 512.2573753803.

Adding to 134420238 its reverse (832024431), we get a palindrome (966444669).

The spelling of 134420238 in words is "one hundred thirty-four million, four hundred twenty thousand, two hundred thirty-eight".