478143002134 has 16 divisors (see below), whose sum is σ = 835139261088. Its totient is φ = 201052043712.

The previous prime is 478143002101. The next prime is 478143002171. The reversal of 478143002134 is 431200341874.

It is a junction number, because it is equal to n+sod(n) for n = 478143002093 and 478143002102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 322198047 + ... + 322199530.

It is an arithmetic number, because the mean of its divisors is an integer number (52196203818).

Almost surely, 2^478143002134 is an apocalyptic number.

478143002134 is a deficient number, since it is larger than the sum of its proper divisors (356996258954).

478143002134 is a wasteful number, since it uses less digits than its factorization.

478143002134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644397639.

The product of its (nonzero) digits is 64512, while the sum is 37.

The spelling of 478143002134 in words is "four hundred seventy-eight billion, one hundred forty-three million, two thousand, one hundred thirty-four".