670148140 has 12 divisors (see below), whose sum is σ = 1407311136. Its totient is φ = 268059248.

The previous prime is 670148131. The next prime is 670148147. The reversal of 670148140 is 41841076.

It is not an unprimeable number, because it can be changed into a prime (670148147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16753684 + ... + 16753723.

It is an arithmetic number, because the mean of its divisors is an integer number (117275928).

Almost surely, 2^670148140 is an apocalyptic number.

It is an amenable number.

670148140 is an abundant number, since it is smaller than the sum of its proper divisors (737162996).

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

670148140 is a wasteful number, since it uses less digits than its factorization.

670148140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33507416 (or 33507414 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 670148140 is about 25887.2196266807. The cubic root of 670148140 is about 875.0984988435.

The spelling of 670148140 in words is "six hundred seventy million, one hundred forty-eight thousand, one hundred forty".