140435430 has 32 divisors (see below), whose sum is σ = 337837824. Its totient is φ = 37361376.

The previous prime is 140435423. The next prime is 140435431. The reversal of 140435430 is 34534041.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 140435430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140435431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8007 + ... + 18573.

It is an arithmetic number, because the mean of its divisors is an integer number (10557432).

Almost surely, 2^140435430 is an apocalyptic number.

140435430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140435430 is an abundant number, since it is smaller than the sum of its proper divisors (197402394).

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

140435430 is a wasteful number, since it uses less digits than its factorization.

140435430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11020.

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

The square root of 140435430 is about 11850.5455570619. The cubic root of 140435430 is about 519.7871786892.

Adding to 140435430 its reverse (34534041), we get a palindrome (174969471).

The spelling of 140435430 in words is "one hundred forty million, four hundred thirty-five thousand, four hundred thirty".