140092685 has 4 divisors (see below), whose sum is σ = 168111228. Its totient is φ = 112074144.

The previous prime is 140092663. The next prime is 140092697. The reversal of 140092685 is 586290041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29800681 + 110292004 = 5459^2 + 10502^2 .

It is a cyclic number.

It is not a de Polignac number, because 140092685 - 2¹⁰ = 140091661 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14009264 + ... + 14009273.

It is an arithmetic number, because the mean of its divisors is an integer number (42027807).

Almost surely, 2^140092685 is an apocalyptic number.

It is an amenable number.

140092685 is a deficient number, since it is larger than the sum of its proper divisors (28018543).

140092685 is an equidigital number, since it uses as much as digits as its factorization.

140092685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28018542.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 140092685 is about 11836.0755742771. The cubic root of 140092685 is about 519.3639721255.

The spelling of 140092685 in words is "one hundred forty million, ninety-two thousand, six hundred eighty-five".