134073421 has 2 divisors, whose sum is σ = 134073422. Its totient is φ = 134073420.

The previous prime is 134073413. The next prime is 134073431. The reversal of 134073421 is 124370431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83521321 + 50552100 = 9139^2 + 7110^2 .

It is a cyclic number.

It is not a de Polignac number, because 134073421 - 2³ = 134073413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134073431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67036710 + 67036711.

It is an arithmetic number, because the mean of its divisors is an integer number (67036711).

Almost surely, 2^134073421 is an apocalyptic number.

It is an amenable number.

134073421 is a deficient number, since it is larger than the sum of its proper divisors (1).

134073421 is an equidigital number, since it uses as much as digits as its factorization.

134073421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 134073421 is about 11579.0077726893. The cubic root of 134073421 is about 511.8164383581.

The spelling of 134073421 in words is "one hundred thirty-four million, seventy-three thousand, four hundred twenty-one".