146868140 has 24 divisors (see below), whose sum is σ = 311481072. Its totient is φ = 58164800.

The previous prime is 146868131. The next prime is 146868143. The reversal of 146868140 is 41868641.

It is a junction number, because it is equal to n+sod(n) for n = 146868094 and 146868103.

It is not an unprimeable number, because it can be changed into a prime (146868143) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 34334 + ... + 38373.

It is an arithmetic number, because the mean of its divisors is an integer number (12978378).

Almost surely, 2^146868140 is an apocalyptic number.

146868140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

146868140 is an abundant number, since it is smaller than the sum of its proper divisors (164612932).

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

146868140 is a wasteful number, since it uses less digits than its factorization.

146868140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72817 (or 72815 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 146868140 is about 12118.9166182460. The cubic root of 146868140 is about 527.6053591874.

The spelling of 146868140 in words is "one hundred forty-six million, eight hundred sixty-eight thousand, one hundred forty".