140355243430 has 32 divisors (see below), whose sum is σ = 271885857120. Its totient is φ = 51973393920.

The previous prime is 140355243421. The next prime is 140355243437. The reversal of 140355243430 is 34342553041.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140355243437) 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, 6757000 + ... + 6777739.

It is an arithmetic number, because the mean of its divisors is an integer number (8496433035).

Almost surely, 2^140355243430 is an apocalyptic number.

140355243430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140355243430 is a deficient number, since it is larger than the sum of its proper divisors (131530613690).

140355243430 is a wasteful number, since it uses less digits than its factorization.

140355243430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13534824.

The product of its (nonzero) digits is 86400, while the sum is 34.

Adding to 140355243430 its reverse (34342553041), we get a palindrome (174697796471).

The spelling of 140355243430 in words is "one hundred forty billion, three hundred fifty-five million, two hundred forty-three thousand, four hundred thirty".