134331413 has 2 divisors, whose sum is σ = 134331414. Its totient is φ = 134331412.

The previous prime is 134331403. The next prime is 134331437. The reversal of 134331413 is 314133431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110292004 + 24039409 = 10502^2 + 4903^2 .

It is a cyclic number.

It is not a de Polignac number, because 134331413 - 2⁸ = 134331157 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134331403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67165706 + 67165707.

It is an arithmetic number, because the mean of its divisors is an integer number (67165707).

Almost surely, 2^134331413 is an apocalyptic number.

It is an amenable number.

134331413 is a deficient number, since it is larger than the sum of its proper divisors (1).

134331413 is an equidigital number, since it uses as much as digits as its factorization.

134331413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 23.

The square root of 134331413 is about 11590.1429240540. The cubic root of 134331413 is about 512.1445171576.

Adding to 134331413 its reverse (314133431), we get a palindrome (448464844).

The spelling of 134331413 in words is "one hundred thirty-four million, three hundred thirty-one thousand, four hundred thirteen".