134641020 has 48 divisors (see below), whose sum is σ = 399174048. Its totient is φ = 33792000.

The previous prime is 134640991. The next prime is 134641027. The reversal of 134641020 is 20146431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134641027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64981 + ... + 67020.

It is an arithmetic number, because the mean of its divisors is an integer number (8316126).

Almost surely, 2^134641020 is an apocalyptic number.

134641020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134641020 is an abundant number, since it is smaller than the sum of its proper divisors (264533028).

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

134641020 is a wasteful number, since it uses less digits than its factorization.

134641020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132030 (or 132028 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 134641020 is about 11603.4917158586. The cubic root of 134641020 is about 512.5376787686.

Adding to 134641020 its reverse (20146431), we get a palindrome (154787451).

The spelling of 134641020 in words is "one hundred thirty-four million, six hundred forty-one thousand, twenty".