146190140 has 24 divisors (see below), whose sum is σ = 325058832. Its totient is φ = 55036160.

The previous prime is 146190119. The next prime is 146190151. The reversal of 146190140 is 41091641.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214646 + ... + 215325.

It is an arithmetic number, because the mean of its divisors is an integer number (13544118).

Almost surely, 2^146190140 is an apocalyptic number.

146190140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

146190140 is an abundant number, since it is smaller than the sum of its proper divisors (178868692).

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

146190140 is a wasteful number, since it uses less digits than its factorization.

146190140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429997 (or 429995 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 146190140 is about 12090.9114627475. The cubic root of 146190140 is about 526.7922300273.

The spelling of 146190140 in words is "one hundred forty-six million, one hundred ninety thousand, one hundred forty".