140000630 has 48 divisors (see below), whose sum is σ = 316582560. Its totient is φ = 43633920.

The previous prime is 140000621. The next prime is 140000633. The reversal of 140000630 is 36000041.

140000630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (14).

140000630 is a modest number, since divided by 630 gives 140 as remainder.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140000633) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 206 + ... + 16734.

It is an arithmetic number, because the mean of its divisors is an integer number (6595470).

Almost surely, 2^140000630 is an apocalyptic number.

140000630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140000630 is an abundant number, since it is smaller than the sum of its proper divisors (176581930).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140000630 is a wasteful number, since it uses less digits than its factorization.

140000630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16565 (or 16554 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 140000630 is about 11832.1861885283. The cubic root of 140000630 is about 519.2501890581.

Adding to 140000630 its reverse (36000041), we get a palindrome (176000671).

The spelling of 140000630 in words is "one hundred forty million, six hundred thirty", and thus it is an aban number.