146666780140 has 48 divisors (see below), whose sum is σ = 320221700064. Its totient is φ = 56381529600.

The previous prime is 146666780137. The next prime is 146666780189. The reversal of 146666780140 is 41087666641.

It is a happy number.

It is a super-2 number, since 2×146666780140² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1279851 + ... + 1389730.

It is an arithmetic number, because the mean of its divisors is an integer number (6671285418).

Almost surely, 2^146666780140 is an apocalyptic number.

146666780140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

146666780140 is an abundant number, since it is smaller than the sum of its proper divisors (173554919924).

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

146666780140 is a wasteful number, since it uses less digits than its factorization.

146666780140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2669698 (or 2669696 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 49.

The spelling of 146666780140 in words is "one hundred forty-six billion, six hundred sixty-six million, seven hundred eighty thousand, one hundred forty".