140435630 has 16 divisors (see below), whose sum is σ = 255391920. Its totient is φ = 55594752.

The previous prime is 140435627. The next prime is 140435639. The reversal of 140435630 is 36534041.

140435630 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 140435630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140435639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71420 + ... + 73359.

It is an arithmetic number, because the mean of its divisors is an integer number (15961995).

Almost surely, 2^140435630 is an apocalyptic number.

140435630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140435630 is a deficient number, since it is larger than the sum of its proper divisors (114956290).

140435630 is a wasteful number, since it uses less digits than its factorization.

140435630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144883.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 140435630 is about 11850.5539954890. The cubic root of 140435630 is about 519.7874254394.

Adding to 140435630 its reverse (36534041), we get a palindrome (176969671).

The spelling of 140435630 in words is "one hundred forty million, four hundred thirty-five thousand, six hundred thirty".