140435422331 has 4 divisors (see below), whose sum is σ = 141247187952. Its totient is φ = 139623656712.

The previous prime is 140435422327. The next prime is 140435422333. The reversal of 140435422331 is 133224534041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 140435422331 - 2² = 140435422327 is a prime.

It is a super-4 number, since 4×140435422331⁴ (a number of 46 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140435422333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 405882551 + ... + 405882896.

It is an arithmetic number, because the mean of its divisors is an integer number (35311796988).

Almost surely, 2^140435422331 is an apocalyptic number.

140435422331 is a deficient number, since it is larger than the sum of its proper divisors (811765621).

140435422331 is an equidigital number, since it uses as much as digits as its factorization.

140435422331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811765620.

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 140435422331 its reverse (133224534041), we get a palindrome (273659956372).

The spelling of 140435422331 in words is "one hundred forty billion, four hundred thirty-five million, four hundred twenty-two thousand, three hundred thirty-one".