134242777 has 4 divisors (see below), whose sum is σ = 134829220. Its totient is φ = 133656336.

The previous prime is 134242751. The next prime is 134242781. The reversal of 134242777 is 777242431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 92717641 + 41525136 = 9629^2 + 6444^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134242777 is a prime.

It is a super-2 number, since 2×134242777² = 36042246353343458, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (194242777) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 292878 + ... + 293335.

It is an arithmetic number, because the mean of its divisors is an integer number (33707305).

Almost surely, 2^134242777 is an apocalyptic number.

It is an amenable number.

134242777 is a deficient number, since it is larger than the sum of its proper divisors (586443).

134242777 is an equidigital number, since it uses as much as digits as its factorization.

134242777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586442.

The product of its digits is 65856, while the sum is 37.

The square root of 134242777 is about 11586.3185266071. The cubic root of 134242777 is about 512.0318494693.

The spelling of 134242777 in words is "one hundred thirty-four million, two hundred forty-two thousand, seven hundred seventy-seven".