134005020 has 24 divisors (see below), whose sum is σ = 375214224. Its totient is φ = 35734656.

The previous prime is 134005013. The next prime is 134005021. The reversal of 134005020 is 20500431.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134005021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1116649 + ... + 1116768.

It is an arithmetic number, because the mean of its divisors is an integer number (15633926).

Almost surely, 2^134005020 is an apocalyptic number.

134005020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134005020 is an abundant number, since it is smaller than the sum of its proper divisors (241209204).

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

134005020 is a wasteful number, since it uses less digits than its factorization.

134005020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2233429 (or 2233427 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 134005020 is about 11576.0537317343. The cubic root of 134005020 is about 511.7293847841.

Adding to 134005020 its reverse (20500431), we get a palindrome (154505451).

The spelling of 134005020 in words is "one hundred thirty-four million, five thousand, twenty".