140430634 has 16 divisors (see below), whose sum is σ = 223070400. Its totient is φ = 66118464.

The previous prime is 140430613. The next prime is 140430671. The reversal of 140430634 is 436034041.

It is a happy number.

140430634 is digitally balanced in base 2, 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 = 140430599 and 140430608.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4719 + ... + 17410.

It is an arithmetic number, because the mean of its divisors is an integer number (13941900).

Almost surely, 2^140430634 is an apocalyptic number.

140430634 is a deficient number, since it is larger than the sum of its proper divisors (82639766).

140430634 is a wasteful number, since it uses less digits than its factorization.

140430634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22317.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 140430634 is about 11850.3432017811. The cubic root of 140430634 is about 519.7812615507.

Adding to 140430634 its reverse (436034041), we get a palindrome (576464675).

The spelling of 140430634 in words is "one hundred forty million, four hundred thirty thousand, six hundred thirty-four".