134454204421987 has 32 divisors (see below), whose sum is σ = 141415642368000. Its totient is φ = 127590329594112.

The previous prime is 134454204421963. The next prime is 134454204422047. The reversal of 134454204421987 is 789124402454431.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134454204421987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134454204425987) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2466886578 + ... + 2466941080.

It is an arithmetic number, because the mean of its divisors is an integer number (4419238824000).

Almost surely, 2^{134454204421987} is an apocalyptic number.

134454204421987 is a deficient number, since it is larger than the sum of its proper divisors (6961437946013).

134454204421987 is a wasteful number, since it uses less digits than its factorization.

134454204421987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56427.

The product of its (nonzero) digits is 30965760, while the sum is 58.

The spelling of 134454204421987 in words is "one hundred thirty-four trillion, four hundred fifty-four billion, two hundred four million, four hundred twenty-one thousand, nine hundred eighty-seven".