134221512 has 32 divisors (see below), whose sum is σ = 347126400. Its totient is φ = 43197504.

The previous prime is 134221501. The next prime is 134221603. The reversal of 134221512 is 215122431.

It is a super-3 number, since 3×134221512³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95728 + ... + 97119.

It is an arithmetic number, because the mean of its divisors is an integer number (10847700).

Almost surely, 2^134221512 is an apocalyptic number.

134221512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

134221512 is an abundant number, since it is smaller than the sum of its proper divisors (212904888).

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

134221512 is a wasteful number, since it uses less digits than its factorization.

134221512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192885 (or 192881 counting only the distinct ones).

The product of its digits is 480, while the sum is 21.

The square root of 134221512 is about 11585.4008130923. The cubic root of 134221512 is about 512.0048115596.

Adding to 134221512 its reverse (215122431), we get a palindrome (349343943).

The spelling of 134221512 in words is "one hundred thirty-four million, two hundred twenty-one thousand, five hundred twelve".