670136 has 16 divisors (see below), whose sum is σ = 1265640. Its totient is φ = 332640.

The previous prime is 670129. The next prime is 670139. The reversal of 670136 is 631076.

670136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670139) 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, 1490 + ... + 1886.

2⁶⁷⁰¹³⁶ is an apocalyptic number.

It is an amenable number.

670136 is a deficient number, since it is larger than the sum of its proper divisors (595504).

670136 is a wasteful number, since it uses less digits than its factorization.

670136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614 (or 610 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 670136 is about 818.6183481941. The cubic root of 670136 is about 87.5093214559.

Subtracting from 670136 its reverse (631076), we obtain a triangular number (39060 = T₂₇₉).

The spelling of 670136 in words is "six hundred seventy thousand, one hundred thirty-six".