134120020 has 24 divisors (see below), whose sum is σ = 288523368. Its totient is φ = 52339200.

The previous prime is 134120017. The next prime is 134120047. The reversal of 134120020 is 20021431.

It can be written as a sum of positive squares in 4 ways, for example, as 2604996 + 131515024 = 1614^2 + 11468^2 .

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, 80961 + ... + 82600.

It is an arithmetic number, because the mean of its divisors is an integer number (12021807).

Almost surely, 2^134120020 is an apocalyptic number.

134120020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134120020 is an abundant number, since it is smaller than the sum of its proper divisors (154403348).

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

134120020 is a wasteful number, since it uses less digits than its factorization.

134120020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163611 (or 163609 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 134120020 is about 11581.0198169246. The cubic root of 134120020 is about 511.8757276923.

Adding to 134120020 its reverse (20021431), we get a palindrome (154141451).

The spelling of 134120020 in words is "one hundred thirty-four million, one hundred twenty thousand, twenty".