134119421 has 2 divisors, whose sum is σ = 134119422. Its totient is φ = 134119420.

The previous prime is 134119411. The next prime is 134119441. The reversal of 134119421 is 124911431.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121771225 + 12348196 = 11035^2 + 3514^2 .

It is a cyclic number.

It is not a de Polignac number, because 134119421 - 2⁶ = 134119357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134119411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67059710 + 67059711.

It is an arithmetic number, because the mean of its divisors is an integer number (67059711).

Almost surely, 2^134119421 is an apocalyptic number.

It is an amenable number.

134119421 is a deficient number, since it is larger than the sum of its proper divisors (1).

134119421 is an equidigital number, since it uses as much as digits as its factorization.

134119421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 26.

The square root of 134119421 is about 11580.9939556154. The cubic root of 134119421 is about 511.8749656534.

The spelling of 134119421 in words is "one hundred thirty-four million, one hundred nineteen thousand, four hundred twenty-one".