140670345 has 8 divisors (see below), whose sum is σ = 225072576. Its totient is φ = 75024176.

The previous prime is 140670307. The next prime is 140670347. The reversal of 140670345 is 543076041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140670345 - 2⁹ = 140669833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140670347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4688997 + ... + 4689026.

It is an arithmetic number, because the mean of its divisors is an integer number (28134072).

Almost surely, 2^140670345 is an apocalyptic number.

140670345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140670345 is a deficient number, since it is larger than the sum of its proper divisors (84402231).

140670345 is an equidigital number, since it uses as much as digits as its factorization.

140670345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9378031.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 140670345 is about 11860.4529846039. The cubic root of 140670345 is about 520.0768439198.

The spelling of 140670345 in words is "one hundred forty million, six hundred seventy thousand, three hundred forty-five".