134234420 has 24 divisors (see below), whose sum is σ = 284802504. Its totient is φ = 53139456.

The previous prime is 134234413. The next prime is 134234447. The reversal of 134234420 is 24432431.

It can be written as a sum of positive squares in 4 ways, for example, as 21492496 + 112741924 = 4636^2 + 10618^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32657 + ... + 36536.

It is an arithmetic number, because the mean of its divisors is an integer number (11866771).

Almost surely, 2^134234420 is an apocalyptic number.

134234420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134234420 is an abundant number, since it is smaller than the sum of its proper divisors (150568084).

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

134234420 is a wasteful number, since it uses less digits than its factorization.

134234420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69299 (or 69297 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 134234420 is about 11585.9578801237. The cubic root of 134234420 is about 512.0212240958.

Adding to 134234420 its reverse (24432431), we get a palindrome (158666851).

The spelling of 134234420 in words is "one hundred thirty-four million, two hundred thirty-four thousand, four hundred twenty".