140512930 has 8 divisors (see below), whose sum is σ = 252923292. Its totient is φ = 56205168.

The previous prime is 140512903. The next prime is 140512937. The reversal of 140512930 is 39215041.

It can be written as a sum of positive squares in 2 ways, for example, as 140493609 + 19321 = 11853^2 + 139^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 140512895 and 140512904.

It is not an unprimeable number, because it can be changed into a prime (140512937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7025637 + ... + 7025656.

Almost surely, 2^140512930 is an apocalyptic number.

140512930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140512930 is a deficient number, since it is larger than the sum of its proper divisors (112410362).

140512930 is a wasteful number, since it uses less digits than its factorization.

140512930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14051300.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 140512930 is about 11853.8149977128. The cubic root of 140512930 is about 519.8827768309.

Adding to 140512930 its reverse (39215041), we get a palindrome (179727971).

The spelling of 140512930 in words is "one hundred forty million, five hundred twelve thousand, nine hundred thirty".