134140212 has 30 divisors (see below), whose sum is σ = 350669858. Its totient is φ = 44713296.

The previous prime is 134140199. The next prime is 134140213. The reversal of 134140212 is 212041431.

It can be written as a sum of positive squares in only one way, i.e., 133541136 + 599076 = 11556^2 + 774^2 .

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134140213) 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 9 ways as a sum of consecutive naturals, for example, 206683 + ... + 207330.

Almost surely, 2^134140212 is an apocalyptic number.

134140212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

134140212 is an abundant number, since it is smaller than the sum of its proper divisors (216529646).

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

134140212 is a wasteful number, since it uses less digits than its factorization.

134140212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414029 (or 414018 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 134140212 is about 11581.8915553549. The cubic root of 134140212 is about 511.9014143275.

Adding to 134140212 its reverse (212041431), we get a palindrome (346181643).

The spelling of 134140212 in words is "one hundred thirty-four million, one hundred forty thousand, two hundred twelve".