134312985 has 40 divisors (see below), whose sum is σ = 251254080. Its totient is φ = 68514336.

The previous prime is 134312963. The next prime is 134312989. The reversal of 134312985 is 589213431.

It is not a de Polignac number, because 134312985 - 2⁵ = 134312953 is a prime.

It is a super-2 number, since 2×134312985² = 36079955879220450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (134312989) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2106 + ... + 16524.

It is an arithmetic number, because the mean of its divisors is an integer number (6281352).

Almost surely, 2^134312985 is an apocalyptic number.

134312985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

134312985 is a deficient number, since it is larger than the sum of its proper divisors (116941095).

134312985 is a wasteful number, since it uses less digits than its factorization.

134312985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14459 (or 14450 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 134312985 is about 11589.3479109051. The cubic root of 134312985 is about 512.1210968954.

It can be divided in two parts, 13431 and 2985, that multiplied together give a triangular number (40091535 = T₈₉₅₄).

The spelling of 134312985 in words is "one hundred thirty-four million, three hundred twelve thousand, nine hundred eighty-five".