134421401200 has 60 divisors (see below), whose sum is σ = 323718577560. Its totient is φ = 53640167680.

The previous prime is 134421401197. The next prime is 134421401311. The reversal of 134421401200 is 2104124431.

It is a happy number.

It is a super-2 number, since 2×134421401200² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 233419 + ... + 568618.

It is an arithmetic number, because the mean of its divisors is an integer number (5395309626).

Almost surely, 2^134421401200 is an apocalyptic number.

134421401200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134421401200 is an abundant number, since it is smaller than the sum of its proper divisors (189297176360).

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

134421401200 is a wasteful number, since it uses less digits than its factorization.

134421401200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802474 (or 802463 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 134421401200 its reverse (2104124431), we get a palindrome (136525525631).

The spelling of 134421401200 in words is "one hundred thirty-four billion, four hundred twenty-one million, four hundred one thousand, two hundred".