140806235 has 16 divisors (see below), whose sum is σ = 171155712. Its totient is φ = 111196800.

The previous prime is 140806199. The next prime is 140806241. The reversal of 140806235 is 532608041.

It is not a de Polignac number, because 140806235 - 2²⁴ = 124029019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140806198 and 140806207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141590 + ... + 142580.

It is an arithmetic number, because the mean of its divisors is an integer number (10697232).

Almost surely, 2^140806235 is an apocalyptic number.

140806235 is a deficient number, since it is larger than the sum of its proper divisors (30349477).

140806235 is a wasteful number, since it uses less digits than its factorization.

140806235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1334.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 140806235 is about 11866.1803037035. The cubic root of 140806235 is about 520.2442577822.

The spelling of 140806235 in words is "one hundred forty million, eight hundred six thousand, two hundred thirty-five".