134013389 has 2 divisors, whose sum is σ = 134013390. Its totient is φ = 134013388.

The previous prime is 134013361. The next prime is 134013409. The reversal of 134013389 is 983310431.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99002500 + 35010889 = 9950^2 + 5917^2 .

It is a cyclic number.

It is not a de Polignac number, because 134013389 - 2²⁴ = 117236173 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134015389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67006694 + 67006695.

It is an arithmetic number, because the mean of its divisors is an integer number (67006695).

Almost surely, 2^134013389 is an apocalyptic number.

It is an amenable number.

134013389 is a deficient number, since it is larger than the sum of its proper divisors (1).

134013389 is an equidigital number, since it uses as much as digits as its factorization.

134013389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 134013389 is about 11576.4152050624. The cubic root of 134013389 is about 511.7400375544.

The spelling of 134013389 in words is "one hundred thirty-four million, thirteen thousand, three hundred eighty-nine".