140608911 has 16 divisors (see below), whose sum is σ = 197942400. Its totient is φ = 88537248.

The previous prime is 140608879. The next prime is 140608927. The reversal of 140608911 is 119806041.

It is not a de Polignac number, because 140608911 - 2⁵ = 140608879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140608931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16225 + ... + 23333.

It is an arithmetic number, because the mean of its divisors is an integer number (12371400).

Almost surely, 2^140608911 is an apocalyptic number.

140608911 is a deficient number, since it is larger than the sum of its proper divisors (57333489).

140608911 is a wasteful number, since it uses less digits than its factorization.

140608911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7478.

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 140608911 is about 11857.8628344234. The cubic root of 140608911 is about 520.0011230252.

The spelling of 140608911 in words is "one hundred forty million, six hundred eight thousand, nine hundred eleven".