140138775125 has 16 divisors (see below), whose sum is σ = 176624823024. Its totient is φ = 111001000000.

The previous prime is 140138775107. The next prime is 140138775163. The reversal of 140138775125 is 521577831041.

It can be written as a sum of positive squares in 8 ways, for example, as 4754516209 + 135384258916 = 68953^2 + 367946^2 .

It is not a de Polignac number, because 140138775125 - 2¹⁸ = 140138512981 is a prime.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 5537426 + ... + 5562675.

It is an arithmetic number, because the mean of its divisors is an integer number (11039051439).

Almost surely, 2^140138775125 is an apocalyptic number.

It is an amenable number.

140138775125 is a deficient number, since it is larger than the sum of its proper divisors (36486047899).

140138775125 is a wasteful number, since it uses less digits than its factorization.

140138775125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11100217 (or 11100207 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 44.

The spelling of 140138775125 in words is "one hundred forty billion, one hundred thirty-eight million, seven hundred seventy-five thousand, one hundred twenty-five".