312136 has 16 divisors (see below), whose sum is σ = 638640. Its totient is φ = 141840.

The previous prime is 312121. The next prime is 312161. The reversal of 312136 is 631213.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1686 + ... + 1861.

It is an arithmetic number, because the mean of its divisors is an integer number (39915).

2³¹²¹³⁶ is an apocalyptic number.

It is an amenable number.

312136 is an abundant number, since it is smaller than the sum of its proper divisors (326504).

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

312136 is a wasteful number, since it uses less digits than its factorization.

312136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3564 (or 3560 counting only the distinct ones).

The product of its digits is 108, while the sum is 16.

The square root of 312136 is about 558.6913280157. The cubic root of 312136 is about 67.8340822312.

Adding to 312136 its reverse (631213), we get a palindrome (943349).

The spelling of 312136 in words is "three hundred twelve thousand, one hundred thirty-six".