146188813 has 16 divisors (see below), whose sum is σ = 153369216. Its totient is φ = 139216320.

The previous prime is 146188781. The next prime is 146188829. The reversal of 146188813 is 318881641.

It is a cyclic number.

It is not a de Polignac number, because 146188813 - 2⁵ = 146188781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146188873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 555720 + ... + 555982.

It is an arithmetic number, because the mean of its divisors is an integer number (9585576).

Almost surely, 2^146188813 is an apocalyptic number.

It is an amenable number.

146188813 is a deficient number, since it is larger than the sum of its proper divisors (7180403).

146188813 is a wasteful number, since it uses less digits than its factorization.

146188813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564.

The product of its digits is 36864, while the sum is 40.

The square root of 146188813 is about 12090.8565866939. The cubic root of 146188813 is about 526.7906360863.

The spelling of 146188813 in words is "one hundred forty-six million, one hundred eighty-eight thousand, eight hundred thirteen".