134721321054 has 64 divisors (see below), whose sum is σ = 281730265344. Its totient is φ = 42909624576.

The previous prime is 134721321041. The next prime is 134721321083. The reversal of 134721321054 is 450123127431.

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 31 ways as a sum of consecutive naturals, for example, 4730682 + ... + 4759074.

It is an arithmetic number, because the mean of its divisors is an integer number (4402035396).

Almost surely, 2^134721321054 is an apocalyptic number.

134721321054 is an abundant number, since it is smaller than the sum of its proper divisors (147008944290).

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

134721321054 is a wasteful number, since it uses less digits than its factorization.

134721321054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28841.

The product of its (nonzero) digits is 20160, while the sum is 33.

Adding to 134721321054 its reverse (450123127431), we get a palindrome (584844448485).

The spelling of 134721321054 in words is "one hundred thirty-four billion, seven hundred twenty-one million, three hundred twenty-one thousand, fifty-four".