140230230 has 64 divisors (see below), whose sum is σ = 385579008. Its totient is φ = 31973760.

The previous prime is 140230219. The next prime is 140230247. The reversal of 140230230 is 32032041.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 153475 + ... + 154385.

It is an arithmetic number, because the mean of its divisors is an integer number (6024672).

Almost surely, 2^140230230 is an apocalyptic number.

140230230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140230230 is an abundant number, since it is smaller than the sum of its proper divisors (245348778).

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

140230230 is a wasteful number, since it uses less digits than its factorization.

140230230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1661.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 140230230 is about 11841.8845628557. The cubic root of 140230230 is about 519.5338895183.

Adding to 140230230 its reverse (32032041), we get a palindrome (172262271).

The spelling of 140230230 in words is "one hundred forty million, two hundred thirty thousand, two hundred thirty".