670284139 has 16 divisors (see below), whose sum is σ = 798453760. Its totient is φ = 550579680.

The previous prime is 670284127. The next prime is 670284149. The reversal of 670284139 is 931482076.

It is not a de Polignac number, because 670284139 - 2¹⁵ = 670251371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (670284149) 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, 7357 + ... + 37345.

It is an arithmetic number, because the mean of its divisors is an integer number (49903360).

Almost surely, 2^670284139 is an apocalyptic number.

670284139 is a deficient number, since it is larger than the sum of its proper divisors (128169621).

670284139 is a wasteful number, since it uses less digits than its factorization.

670284139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30130.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 670284139 is about 25889.8462529232. The cubic root of 670284139 is about 875.1576919601.

The spelling of 670284139 in words is "six hundred seventy million, two hundred eighty-four thousand, one hundred thirty-nine".