140194230 has 64 divisors (see below), whose sum is σ = 370192896. Its totient is φ = 33976800.

The previous prime is 140194213. The next prime is 140194231. The reversal of 140194230 is 32491041.

140194230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 140194230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140194231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38175 + ... + 41685.

It is an arithmetic number, because the mean of its divisors is an integer number (5784264).

Almost surely, 2^140194230 is an apocalyptic number.

140194230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 140194230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185096448).

140194230 is an abundant number, since it is smaller than the sum of its proper divisors (229998666).

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

140194230 is a wasteful number, since it uses less digits than its factorization.

140194230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3554 (or 3532 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 140194230 is about 11840.3644369589. The cubic root of 140194230 is about 519.4894273488.

The spelling of 140194230 in words is "one hundred forty million, one hundred ninety-four thousand, two hundred thirty".