140103657 has 24 divisors (see below), whose sum is σ = 205171200. Its totient is φ = 92121120.

The previous prime is 140103643. The next prime is 140103659. The reversal of 140103657 is 756301041.

140103657 is a `hidden beast` number, since 1 + 4 + 0 + 1 + 0 + 3 + 657 = 666.

It is not a de Polignac number, because 140103657 - 2¹¹ = 140101609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140103657.

It is not an unprimeable number, because it can be changed into a prime (140103659) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 255858 + ... + 256404.

It is an arithmetic number, because the mean of its divisors is an integer number (8548800).

Almost surely, 2^140103657 is an apocalyptic number.

It is an amenable number.

140103657 is a deficient number, since it is larger than the sum of its proper divisors (65067543).

140103657 is a wasteful number, since it uses less digits than its factorization.

140103657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893 (or 890 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 140103657 is about 11836.5390634256. The cubic root of 140103657 is about 519.3775305606.

Adding to 140103657 its reverse (756301041), we get a palindrome (896404698).

The spelling of 140103657 in words is "one hundred forty million, one hundred three thousand, six hundred fifty-seven".