140263630 has 16 divisors (see below), whose sum is σ = 271895904. Its totient is φ = 51789600.

The previous prime is 140263601. The next prime is 140263639. The reversal of 140263630 is 36362041.

140263630 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 = 140263595 and 140263604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140263639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 539346 + ... + 539605.

It is an arithmetic number, because the mean of its divisors is an integer number (16993494).

Almost surely, 2^140263630 is an apocalyptic number.

140263630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140263630 is a deficient number, since it is larger than the sum of its proper divisors (131632274).

140263630 is a wasteful number, since it uses less digits than its factorization.

140263630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1078971.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 140263630 is about 11843.2947273974. The cubic root of 140263630 is about 519.5751337266.

The spelling of 140263630 in words is "one hundred forty million, two hundred sixty-three thousand, six hundred thirty".