140306030 has 8 divisors (see below), whose sum is σ = 252550872. Its totient is φ = 56122408.

The previous prime is 140306021. The next prime is 140306063. The reversal of 140306030 is 30603041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7015292 + ... + 7015311.

It is an arithmetic number, because the mean of its divisors is an integer number (31568859).

Almost surely, 2^140306030 is an apocalyptic number.

140306030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140306030 is a deficient number, since it is larger than the sum of its proper divisors (112244842).

140306030 is a wasteful number, since it uses less digits than its factorization.

140306030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14030610.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 140306030 is about 11845.0846345647. The cubic root of 140306030 is about 519.6274822131.

Adding to 140306030 its reverse (30603041), we get a palindrome (170909071).

The spelling of 140306030 in words is "one hundred forty million, three hundred six thousand, thirty".