146191938 has 16 divisors (see below), whose sum is σ = 293551776. Its totient is φ = 48536000.

The previous prime is 146191919. The next prime is 146191943. The reversal of 146191938 is 839191641.

It is a self number, because there is not a number n which added to its sum of digits gives 146191938.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 47031 + ... + 50042.

It is an arithmetic number, because the mean of its divisors is an integer number (18346986).

Almost surely, 2^146191938 is an apocalyptic number.

146191938 is an abundant number, since it is smaller than the sum of its proper divisors (147359838).

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

146191938 is a wasteful number, since it uses less digits than its factorization.

146191938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97329.

The product of its digits is 46656, while the sum is 42.

The square root of 146191938 is about 12090.9858158878. The cubic root of 146191938 is about 526.7943897000.

The spelling of 146191938 in words is "one hundred forty-six million, one hundred ninety-one thousand, nine hundred thirty-eight".