146879940 has 48 divisors (see below), whose sum is σ = 412429248. Its totient is φ = 39057024.

The previous prime is 146879933. The next prime is 146879989. The reversal of 146879940 is 49978641.

It is a self number, because there is not a number n which added to its sum of digits gives 146879940.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19099 + ... + 25661.

It is an arithmetic number, because the mean of its divisors is an integer number (8592276).

Almost surely, 2^146879940 is an apocalyptic number.

146879940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

146879940 is an abundant number, since it is smaller than the sum of its proper divisors (265549308).

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

146879940 is a wasteful number, since it uses less digits than its factorization.

146879940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6948 (or 6946 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 146879940 is about 12119.4034506654. The cubic root of 146879940 is about 527.6194888153.

The spelling of 146879940 in words is "one hundred forty-six million, eight hundred seventy-nine thousand, nine hundred forty".