134148473 has 2 divisors, whose sum is σ = 134148474. Its totient is φ = 134148472.

The previous prime is 134148467. The next prime is 134148517. The reversal of 134148473 is 374841431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76510009 + 57638464 = 8747^2 + 7592^2 .

It is an emirp because it is prime and its reverse (374841431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 134148473 - 2⁴ = 134148457 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (134148463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67074236 + 67074237.

It is an arithmetic number, because the mean of its divisors is an integer number (67074237).

Almost surely, 2^134148473 is an apocalyptic number.

It is an amenable number.

134148473 is a deficient number, since it is larger than the sum of its proper divisors (1).

134148473 is an equidigital number, since it uses as much as digits as its factorization.

134148473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 35.

The square root of 134148473 is about 11582.2481841826. The cubic root of 134148473 is about 511.9119225629.

The spelling of 134148473 in words is "one hundred thirty-four million, one hundred forty-eight thousand, four hundred seventy-three".