140428930671 has 12 divisors (see below), whose sum is σ = 203202083448. Its totient is φ = 93452997264.

The previous prime is 140428930583. The next prime is 140428930699. The reversal of 140428930671 is 176039824041.

It is not a de Polignac number, because 140428930671 - 2³¹ = 138281447023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140428932671) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13852140 + ... + 13862273.

It is an arithmetic number, because the mean of its divisors is an integer number (16933506954).

Almost surely, 2^140428930671 is an apocalyptic number.

140428930671 is a deficient number, since it is larger than the sum of its proper divisors (62773152777).

140428930671 is a wasteful number, since it uses less digits than its factorization.

140428930671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27714982 (or 27714979 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 140428930671 in words is "one hundred forty billion, four hundred twenty-eight million, nine hundred thirty thousand, six hundred seventy-one".