134886457 has 2 divisors, whose sum is σ = 134886458. Its totient is φ = 134886456.

The previous prime is 134886443. The next prime is 134886461. The reversal of 134886457 is 754688431.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71588521 + 63297936 = 8461^2 + 7956^2 .

It is a cyclic number.

It is not a de Polignac number, because 134886457 - 2²³ = 126497849 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (134884457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67443228 + 67443229.

It is an arithmetic number, because the mean of its divisors is an integer number (67443229).

Almost surely, 2^134886457 is an apocalyptic number.

It is an amenable number.

134886457 is a deficient number, since it is larger than the sum of its proper divisors (1).

134886457 is an equidigital number, since it uses as much as digits as its factorization.

134886457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 645120, while the sum is 46.

The square root of 134886457 is about 11614.0628980560. The cubic root of 134886457 is about 512.8489245537.

The spelling of 134886457 in words is "one hundred thirty-four million, eight hundred eighty-six thousand, four hundred fifty-seven".