140246630 has 8 divisors (see below), whose sum is σ = 252443952. Its totient is φ = 56098648.

The previous prime is 140246629. The next prime is 140246633. The reversal of 140246630 is 36642041.

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

It is a self number, because there is not a number n which added to its sum of digits gives 140246630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140246633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7012322 + ... + 7012341.

It is an arithmetic number, because the mean of its divisors is an integer number (31555494).

Almost surely, 2^140246630 is an apocalyptic number.

140246630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140246630 is a deficient number, since it is larger than the sum of its proper divisors (112197322).

140246630 is a wasteful number, since it uses less digits than its factorization.

140246630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14024670.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 140246630 is about 11842.5769999608. The cubic root of 140246630 is about 519.5541419837.

Adding to 140246630 its reverse (36642041), we get a palindrome (176888671).

The spelling of 140246630 in words is "one hundred forty million, two hundred forty-six thousand, six hundred thirty".