140231404526 has 8 divisors (see below), whose sum is σ = 210349122264. Its totient is φ = 70115030440.

The previous prime is 140231404493. The next prime is 140231404529. The reversal of 140231404526 is 625404132041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 140231404492 and 140231404501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140231404529) 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, 12860 + ... + 529743.

It is an arithmetic number, because the mean of its divisors is an integer number (26293640283).

Almost surely, 2^140231404526 is an apocalyptic number.

140231404526 is a deficient number, since it is larger than the sum of its proper divisors (70117717738).

140231404526 is a wasteful number, since it uses less digits than its factorization.

140231404526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671826.

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 140231404526 its reverse (625404132041), we get a palindrome (765635536567).

The spelling of 140231404526 in words is "one hundred forty billion, two hundred thirty-one million, four hundred four thousand, five hundred twenty-six".