134978711 has 8 divisors (see below), whose sum is σ = 154484640. Its totient is φ = 115528608.

The previous prime is 134978707. The next prime is 134978729. The reversal of 134978711 is 117879431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 134978711 - 2² = 134978707 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134978771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8636 + ... + 18561.

It is an arithmetic number, because the mean of its divisors is an integer number (19310580).

Almost surely, 2^134978711 is an apocalyptic number.

134978711 is a deficient number, since it is larger than the sum of its proper divisors (19505929).

134978711 is an equidigital number, since it uses as much as digits as its factorization.

134978711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27913.

The product of its digits is 42336, while the sum is 41.

The square root of 134978711 is about 11618.0338698077. The cubic root of 134978711 is about 512.9658168981.

The spelling of 134978711 in words is "one hundred thirty-four million, nine hundred seventy-eight thousand, seven hundred eleven".