140632434 has 24 divisors (see below), whose sum is σ = 307107840. Its totient is φ = 46507608.

The previous prime is 140632423. The next prime is 140632441. The reversal of 140632434 is 434236041.

140632434 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 140632398 and 140632407.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28474 + ... + 33045.

It is an arithmetic number, because the mean of its divisors is an integer number (12796160).

Almost surely, 2^140632434 is an apocalyptic number.

140632434 is an abundant number, since it is smaller than the sum of its proper divisors (166475406).

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

140632434 is a wasteful number, since it uses less digits than its factorization.

140632434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61654 (or 61651 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 140632434 is about 11858.8546664507. The cubic root of 140632434 is about 520.0301190641.

Adding to 140632434 its reverse (434236041), we get a palindrome (574868475).

The spelling of 140632434 in words is "one hundred forty million, six hundred thirty-two thousand, four hundred thirty-four".