140534430 has 32 divisors (see below), whose sum is σ = 340629408. Its totient is φ = 37104000.

The previous prime is 140534413. The next prime is 140534441. The reversal of 140534430 is 34435041.

It is a self number, because there is not a number n which added to its sum of digits gives 140534430.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20161 + ... + 26220.

It is an arithmetic number, because the mean of its divisors is an integer number (10644669).

Almost surely, 2^140534430 is an apocalyptic number.

140534430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140534430 is an abundant number, since it is smaller than the sum of its proper divisors (200094978).

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

140534430 is a wasteful number, since it uses less digits than its factorization.

140534430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46492.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 140534430 is about 11854.7218440586. The cubic root of 140534430 is about 519.9092913769.

Adding to 140534430 its reverse (34435041), we get a palindrome (174969471).

The spelling of 140534430 in words is "one hundred forty million, five hundred thirty-four thousand, four hundred thirty".