146486887128 has 128 divisors (see below), whose sum is σ = 412236369600. Its totient is φ = 48792844800.

The previous prime is 146486887111. The next prime is 146486887133. The reversal of 146486887128 is 821788684641.

146486887128 is a `hidden beast` number, since 1 + 4 + 6 + 486 + 88 + 71 + 2 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34867428 + ... + 34871628.

Almost surely, 2^146486887128 is an apocalyptic number.

146486887128 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 146486887128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206118184800).

146486887128 is an abundant number, since it is smaller than the sum of its proper divisors (265749482472).

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

146486887128 is an equidigital number, since it uses as much as digits as its factorization.

146486887128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6221 (or 6199 counting only the distinct ones).

The product of its digits is 33030144, while the sum is 63.

The spelling of 146486887128 in words is "one hundred forty-six billion, four hundred eighty-six million, eight hundred eighty-seven thousand, one hundred twenty-eight".