134420977 has 2 divisors, whose sum is σ = 134420978. Its totient is φ = 134420976.

The previous prime is 134420971. The next prime is 134420981. The reversal of 134420977 is 779024431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 134351281 + 69696 = 11591^2 + 264^2 .

It is a cyclic number.

It is not a de Polignac number, because 134420977 - 2³ = 134420969 is a prime.

It is not a weakly prime, because it can be changed into another prime (134420971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67210488 + 67210489.

It is an arithmetic number, because the mean of its divisors is an integer number (67210489).

Almost surely, 2^134420977 is an apocalyptic number.

It is an amenable number.

134420977 is a deficient number, since it is larger than the sum of its proper divisors (1).

134420977 is an equidigital number, since it uses as much as digits as its factorization.

134420977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 134420977 is about 11594.0060807298. The cubic root of 134420977 is about 512.2583141217.

The spelling of 134420977 in words is "one hundred thirty-four million, four hundred twenty thousand, nine hundred seventy-seven".