1928135087170 has 32 divisors (see below), whose sum is σ = 3674964038400. Its totient is φ = 725853478656.

The previous prime is 1928135087071. The next prime is 1928135087213. The reversal of 1928135087170 is 717805318291.

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 15 ways as a sum of consecutive naturals, for example, 3713821 + ... + 4201039.

It is an arithmetic number, because the mean of its divisors is an integer number (114842626200).

Almost surely, 2^{1928135087170} is an apocalyptic number.

1928135087170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1928135087170 is a deficient number, since it is larger than the sum of its proper divisors (1746828951230).

1928135087170 is a wasteful number, since it uses less digits than its factorization.

1928135087170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510522.

The product of its (nonzero) digits is 846720, while the sum is 52.

The spelling of 1928135087170 in words is "one trillion, nine hundred twenty-eight billion, one hundred thirty-five million, eighty-seven thousand, one hundred seventy".