140220030 has 32 divisors (see below), whose sum is σ = 341273088. Its totient is φ = 36864800.

The previous prime is 140220001. The next prime is 140220053. The reversal of 140220030 is 30022041.

140220030 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 140219988 and 140220015.

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, 30786 + ... + 35045.

It is an arithmetic number, because the mean of its divisors is an integer number (10664784).

Almost surely, 2^140220030 is an apocalyptic number.

140220030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140220030 is an abundant number, since it is smaller than the sum of its proper divisors (201053058).

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

140220030 is a wasteful number, since it uses less digits than its factorization.

140220030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65912.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 140220030 is about 11841.4538803307. The cubic root of 140220030 is about 519.5212926763.

Adding to 140220030 its reverse (30022041), we get a palindrome (170242071).

The spelling of 140220030 in words is "one hundred forty million, two hundred twenty thousand, thirty".