140341985 has 16 divisors (see below), whose sum is σ = 193990656. Its totient is φ = 95473728.

The previous prime is 140341973. The next prime is 140341997. The reversal of 140341985 is 589143041.

140341985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (140341973) and next prime (140341997).

It is not a de Polignac number, because 140341985 - 2⁶ = 140341921 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

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, 11342 + ... + 20231.

It is an arithmetic number, because the mean of its divisors is an integer number (12124416).

Almost surely, 2^140341985 is an apocalyptic number.

It is an amenable number.

140341985 is a deficient number, since it is larger than the sum of its proper divisors (53648671).

140341985 is a wasteful number, since it uses less digits than its factorization.

140341985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31712.

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

The square root of 140341985 is about 11846.6022554993. The cubic root of 140341985 is about 519.6718652198.

The spelling of 140341985 in words is "one hundred forty million, three hundred forty-one thousand, nine hundred eighty-five".