134466320420 has 12 divisors (see below), whose sum is σ = 282379272924. Its totient is φ = 53786528160.

The previous prime is 134466320399. The next prime is 134466320431. The reversal of 134466320420 is 24023664431.

It can be written as a sum of positive squares in 2 ways, for example, as 61519873024 + 72946447396 = 248032^2 + 270086^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3361657991 + ... + 3361658030.

It is an arithmetic number, because the mean of its divisors is an integer number (23531606077).

Almost surely, 2^134466320420 is an apocalyptic number.

134466320420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134466320420 is an abundant number, since it is smaller than the sum of its proper divisors (147912952504).

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

134466320420 is a wasteful number, since it uses less digits than its factorization.

134466320420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6723316030 (or 6723316028 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 35.

Adding to 134466320420 its reverse (24023664431), we get a palindrome (158489984851).

The spelling of 134466320420 in words is "one hundred thirty-four billion, four hundred sixty-six million, three hundred twenty thousand, four hundred twenty".