312146135 has 16 divisors (see below), whose sum is σ = 432247296. Its totient is φ = 211962528.

The previous prime is 312146119. The next prime is 312146137. The reversal of 312146135 is 531641213.

It is a cyclic number.

It is not a de Polignac number, because 312146135 - 2⁴ = 312146119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312146137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39689 + ... + 46898.

It is an arithmetic number, because the mean of its divisors is an integer number (27015456).

Almost surely, 2^312146135 is an apocalyptic number.

312146135 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

312146135 is a deficient number, since it is larger than the sum of its proper divisors (120101161).

312146135 is a wasteful number, since it uses less digits than its factorization.

312146135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86702.

The product of its digits is 2160, while the sum is 26.

The square root of 312146135 is about 17667.6578809983. The cubic root of 312146135 is about 678.3481641011.

Adding to 312146135 its reverse (531641213), we get a palindrome (843787348).

The spelling of 312146135 in words is "three hundred twelve million, one hundred forty-six thousand, one hundred thirty-five".