670140142 has 16 divisors (see below), whose sum is σ = 1152074592. Its totient is φ = 286387200.

The previous prime is 670140139. The next prime is 670140157. The reversal of 670140142 is 241041076.

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, 62859 + ... + 72742.

It is an arithmetic number, because the mean of its divisors is an integer number (72004662).

Almost surely, 2^670140142 is an apocalyptic number.

670140142 is a deficient number, since it is larger than the sum of its proper divisors (481934450).

670140142 is a wasteful number, since it uses less digits than its factorization.

670140142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135963.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 670140142 is about 25887.0651484482. The cubic root of 670140142 is about 875.0950174911.

The spelling of 670140142 in words is "six hundred seventy million, one hundred forty thousand, one hundred forty-two".