140316530 has 16 divisors (see below), whose sum is σ = 253580544. Its totient is φ = 55902000.

The previous prime is 140316523. The next prime is 140316581. The reversal of 140316530 is 35613041.

It is a happy number.

140316530 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 junction number, because it is equal to n+sod(n) for n = 140316496 and 140316505.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25442 + ... + 30461.

It is an arithmetic number, because the mean of its divisors is an integer number (15848784).

Almost surely, 2^140316530 is an apocalyptic number.

140316530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140316530 is a deficient number, since it is larger than the sum of its proper divisors (113264014).

140316530 is a wasteful number, since it uses less digits than its factorization.

140316530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56161.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 140316530 is about 11845.5278480952. The cubic root of 140316530 is about 519.6404442420.

Adding to 140316530 its reverse (35613041), we get a palindrome (175929571).

The spelling of 140316530 in words is "one hundred forty million, three hundred sixteen thousand, five hundred thirty".