134859577 has 2 divisors, whose sum is σ = 134859578. Its totient is φ = 134859576.

The previous prime is 134859551. The next prime is 134859581. The reversal of 134859577 is 775958431.

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., 67963536 + 66896041 = 8244^2 + 8179^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134859577 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 134859577.

It is not a weakly prime, because it can be changed into another prime (134859547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67429788 + 67429789.

It is an arithmetic number, because the mean of its divisors is an integer number (67429789).

Almost surely, 2^134859577 is an apocalyptic number.

It is an amenable number.

134859577 is a deficient number, since it is larger than the sum of its proper divisors (1).

134859577 is an equidigital number, since it uses as much as digits as its factorization.

134859577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1058400, while the sum is 49.

The square root of 134859577 is about 11612.9056226252. The cubic root of 134859577 is about 512.8148556654.

The spelling of 134859577 in words is "one hundred thirty-four million, eight hundred fifty-nine thousand, five hundred seventy-seven".