140401231434 has 12 divisors (see below), whose sum is σ = 304202668146. Its totient is φ = 46800410472.

The previous prime is 140401231427. The next prime is 140401231457. The reversal of 140401231434 is 434132104041.

It can be written as a sum of positive squares in only one way, i.e., 93270992409 + 47130239025 = 305403^2 + 217095^2 .

It is a junction number, because it is equal to n+sod(n) for n = 140401231398 and 140401231407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3900034189 + ... + 3900034224.

Almost surely, 2^140401231434 is an apocalyptic number.

140401231434 is an abundant number, since it is smaller than the sum of its proper divisors (163801436712).

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

140401231434 is a wasteful number, since it uses less digits than its factorization.

140401231434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7800068421 (or 7800068418 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 140401231434 its reverse (434132104041), we get a palindrome (574533335475).

The spelling of 140401231434 in words is "one hundred forty billion, four hundred one million, two hundred thirty-one thousand, four hundred thirty-four".