134621339 has 2 divisors, whose sum is σ = 134621340. Its totient is φ = 134621338.

The previous prime is 134621321. The next prime is 134621363. The reversal of 134621339 is 933126431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 134621339 - 2¹² = 134617243 is a prime.

It is equal to p_7625156 and since 134621339 and 7625156 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (134621239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67310669 + 67310670.

It is an arithmetic number, because the mean of its divisors is an integer number (67310670).

Almost surely, 2^134621339 is an apocalyptic number.

134621339 is a deficient number, since it is larger than the sum of its proper divisors (1).

134621339 is an equidigital number, since it uses as much as digits as its factorization.

134621339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 32.

The square root of 134621339 is about 11602.6436211753. The cubic root of 134621339 is about 512.5127043450.

The spelling of 134621339 in words is "one hundred thirty-four million, six hundred twenty-one thousand, three hundred thirty-nine".