134420538 has 32 divisors (see below), whose sum is σ = 308191104. Its totient is φ = 38287872.

The previous prime is 134420501. The next prime is 134420543. The reversal of 134420538 is 835024431.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9406 + ... + 18902.

It is an arithmetic number, because the mean of its divisors is an integer number (9630972).

Almost surely, 2^134420538 is an apocalyptic number.

134420538 is an abundant number, since it is smaller than the sum of its proper divisors (173770566).

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

134420538 is a wasteful number, since it uses less digits than its factorization.

134420538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9846.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 134420538 is about 11593.9871485180. The cubic root of 134420538 is about 512.2577564665.

Adding to 134420538 its reverse (835024431), we get a palindrome (969444969).

The spelling of 134420538 in words is "one hundred thirty-four million, four hundred twenty thousand, five hundred thirty-eight".