140232030 has 32 divisors (see below), whose sum is σ = 344386944. Its totient is φ = 36525216.

The previous prime is 140232019. The next prime is 140232061. The reversal of 140232030 is 30232041.

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 15 ways as a sum of consecutive naturals, for example, 53064 + ... + 55643.

It is an arithmetic number, because the mean of its divisors is an integer number (10762092).

Almost surely, 2^140232030 is an apocalyptic number.

140232030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140232030 is an abundant number, since it is smaller than the sum of its proper divisors (204154914).

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

140232030 is a wasteful number, since it uses less digits than its factorization.

140232030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108760.

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

The square root of 140232030 is about 11841.9605640282. The cubic root of 140232030 is about 519.5361124270.

Adding to 140232030 its reverse (30232041), we get a palindrome (170464071).

The spelling of 140232030 in words is "one hundred forty million, two hundred thirty-two thousand, thirty".