140074145185 has 16 divisors (see below), whose sum is σ = 181296161424. Its totient is φ = 103280931072.

The previous prime is 140074145117. The next prime is 140074145219. The reversal of 140074145185 is 581541470041.

It can be written as a sum of positive squares in 8 ways, for example, as 6093988096 + 133980157089 = 78064^2 + 366033^2 .

It is a cyclic number.

It is not a de Polignac number, because 140074145185 - 2²¹ = 140072048033 is a prime.

It is a super-2 number, since 2×140074145185² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1607622 + ... + 1692511.

It is an arithmetic number, because the mean of its divisors is an integer number (11331010089).

Almost surely, 2^140074145185 is an apocalyptic number.

It is an amenable number.

140074145185 is a deficient number, since it is larger than the sum of its proper divisors (41222016239).

140074145185 is a wasteful number, since it uses less digits than its factorization.

140074145185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3300804.

The product of its (nonzero) digits is 89600, while the sum is 40.

The spelling of 140074145185 in words is "one hundred forty billion, seventy-four million, one hundred forty-five thousand, one hundred eighty-five".