134139613 has 2 divisors, whose sum is σ = 134139614. Its totient is φ = 134139612.

The previous prime is 134139583. The next prime is 134139619. The reversal of 134139613 is 316931431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 133333209 + 806404 = 11547^2 + 898^2 .

It is a cyclic number.

It is not a de Polignac number, because 134139613 - 2⁹ = 134139101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134139619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67069806 + 67069807.

It is an arithmetic number, because the mean of its divisors is an integer number (67069807).

Almost surely, 2^134139613 is an apocalyptic number.

It is an amenable number.

134139613 is a deficient number, since it is larger than the sum of its proper divisors (1).

134139613 is an equidigital number, since it uses as much as digits as its factorization.

134139613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5832, while the sum is 31.

The square root of 134139613 is about 11581.8656959922. The cubic root of 134139613 is about 511.9006523650.

The spelling of 134139613 in words is "one hundred thirty-four million, one hundred thirty-nine thousand, six hundred thirteen".