140204670 has 16 divisors (see below), whose sum is σ = 336491280. Its totient is φ = 37387904.

The previous prime is 140204641. The next prime is 140204681. The reversal of 140204670 is 76402041.

140204670 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 140204670.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2336715 + ... + 2336774.

It is an arithmetic number, because the mean of its divisors is an integer number (21030705).

Almost surely, 2^140204670 is an apocalyptic number.

140204670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140204670 is an abundant number, since it is smaller than the sum of its proper divisors (196286610).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140204670 is a wasteful number, since it uses less digits than its factorization.

140204670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4673499.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 140204670 is about 11840.8052935601. The cubic root of 140204670 is about 519.5023221615.

The spelling of 140204670 in words is "one hundred forty million, two hundred four thousand, six hundred seventy".