134446666890 has 32 divisors (see below), whose sum is σ = 327488005440. Its totient is φ = 35317332864.

The previous prime is 134446666889. The next prime is 134446666891. The reversal of 134446666890 is 98666644431.

It is an interprime number because it is at equal distance from previous prime (134446666889) and next prime (134446666891).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 134446666890.

It is not an unprimeable number, because it can be changed into a prime (134446666891) by changing a digit.

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, 33442435 + ... + 33446454.

It is an arithmetic number, because the mean of its divisors is an integer number (10234000170).

Almost surely, 2^134446666890 is an apocalyptic number.

134446666890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

134446666890 is an abundant number, since it is smaller than the sum of its proper divisors (193041338550).

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

134446666890 is a wasteful number, since it uses less digits than its factorization.

134446666890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66888966.

The product of its (nonzero) digits is 17915904, while the sum is 57.

The spelling of 134446666890 in words is "one hundred thirty-four billion, four hundred forty-six million, six hundred sixty-six thousand, eight hundred ninety".