140061928 has 16 divisors (see below), whose sum is σ = 263365380. Its totient is φ = 69831168.

The previous prime is 140061923. The next prime is 140061941. The reversal of 140061928 is 829160041.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 125484804 + 14577124 = 11202^2 + 3818^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 140061928.

It is not an unprimeable number, because it can be changed into a prime (140061923) 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, 21975 + ... + 27622.

Almost surely, 2^140061928 is an apocalyptic number.

It is an amenable number.

140061928 is a deficient number, since it is larger than the sum of its proper divisors (123303452).

140061928 is a wasteful number, since it uses less digits than its factorization.

140061928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49956 (or 49952 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 140061928 is about 11834.7762125019. The cubic root of 140061928 is about 519.3259609882.

The spelling of 140061928 in words is "one hundred forty million, sixty-one thousand, nine hundred twenty-eight".