134140215 has 32 divisors (see below), whose sum is σ = 234660096. Its totient is φ = 64892160.

The previous prime is 134140213. The next prime is 134140243. The reversal of 134140215 is 512041431.

It is not a de Polignac number, because 134140215 - 2¹ = 134140213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 134140191 and 134140200.

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 (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129339 + ... + 130371.

It is an arithmetic number, because the mean of its divisors is an integer number (7333128).

Almost surely, 2^134140215 is an apocalyptic number.

134140215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

134140215 is a deficient number, since it is larger than the sum of its proper divisors (100519881).

134140215 is a wasteful number, since it uses less digits than its factorization.

134140215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1839.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 134140215 is about 11581.8916848674. The cubic root of 134140215 is about 511.9014181436.

Adding to 134140215 its reverse (512041431), we get a palindrome (646181646).

The spelling of 134140215 in words is "one hundred thirty-four million, one hundred forty thousand, two hundred fifteen".