140502630 has 32 divisors (see below), whose sum is σ = 351869184. Its totient is φ = 35838176.

The previous prime is 140502617. The next prime is 140502641. The reversal of 140502630 is 36205041.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 140502597 and 140502606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101124 + ... + 102503.

It is an arithmetic number, because the mean of its divisors is an integer number (10995912).

Almost surely, 2^140502630 is an apocalyptic number.

140502630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140502630 is an abundant number, since it is smaller than the sum of its proper divisors (211366554).

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

140502630 is a wasteful number, since it uses less digits than its factorization.

140502630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203660.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 140502630 is about 11853.3805304647. The cubic root of 140502630 is about 519.8700735553.

Adding to 140502630 its reverse (36205041), we get a palindrome (176707671).

The spelling of 140502630 in words is "one hundred forty million, five hundred two thousand, six hundred thirty".