146140194 has 32 divisors (see below), whose sum is σ = 311864256. Its totient is φ = 45493760.

The previous prime is 146140171. The next prime is 146140207. The reversal of 146140194 is 491041641.

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 15 ways as a sum of consecutive naturals, for example, 7894 + ... + 18830.

It is an arithmetic number, because the mean of its divisors is an integer number (9745758).

Almost surely, 2^146140194 is an apocalyptic number.

146140194 is an abundant number, since it is smaller than the sum of its proper divisors (165724062).

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

146140194 is a wasteful number, since it uses less digits than its factorization.

146140194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11090.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 146140194 is about 12088.8458506178. The cubic root of 146140194 is about 526.7322301721.

The spelling of 146140194 in words is "one hundred forty-six million, one hundred forty thousand, one hundred ninety-four".