134513381 has 2 divisors, whose sum is σ = 134513382. Its totient is φ = 134513380.

The previous prime is 134513363. The next prime is 134513399. The reversal of 134513381 is 183315431.

It is a balanced prime because it is at equal distance from previous prime (134513363) and next prime (134513399).

It can be written as a sum of positive squares in only one way, i.e., 87590881 + 46922500 = 9359^2 + 6850^2 .

It is a cyclic number.

It is not a de Polignac number, because 134513381 - 2²⁶ = 67404517 is a prime.

It is a super-2 number, since 2×134513381² = 36187699336102322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134513321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67256690 + 67256691.

It is an arithmetic number, because the mean of its divisors is an integer number (67256691).

Almost surely, 2^134513381 is an apocalyptic number.

It is an amenable number.

134513381 is a deficient number, since it is larger than the sum of its proper divisors (1).

134513381 is an equidigital number, since it uses as much as digits as its factorization.

134513381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 29.

The square root of 134513381 is about 11597.9903862695. The cubic root of 134513381 is about 512.3756665274.

The spelling of 134513381 in words is "one hundred thirty-four million, five hundred thirteen thousand, three hundred eighty-one".