134021313 has 6 divisors (see below), whose sum is σ = 193586354. Its totient is φ = 89347536.

The previous prime is 134021309. The next prime is 134021317. The reversal of 134021313 is 313120431.

It is an interprime number because it is at equal distance from previous prime (134021309) and next prime (134021317).

It can be written as a sum of positive squares in only one way, i.e., 132987024 + 1034289 = 11532^2 + 1017^2 .

It is not a de Polignac number, because 134021313 - 2² = 134021309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134021317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7445620 + ... + 7445637.

Almost surely, 2^134021313 is an apocalyptic number.

It is an amenable number.

134021313 is a deficient number, since it is larger than the sum of its proper divisors (59565041).

134021313 is a wasteful number, since it uses less digits than its factorization.

134021313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14891263 (or 14891260 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 134021313 is about 11576.7574475757. The cubic root of 134021313 is about 511.7501234823.

Adding to 134021313 its reverse (313120431), we get a palindrome (447141744).

The spelling of 134021313 in words is "one hundred thirty-four million, twenty-one thousand, three hundred thirteen".