134277947 has 4 divisors (see below), whose sum is σ = 135258216. Its totient is φ = 133297680.

The previous prime is 134277943. The next prime is 134277953. The reversal of 134277947 is 749772431.

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

It is a cyclic number.

It is not a de Polignac number, because 134277947 - 2² = 134277943 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 134277898 and 134277907.

It is not an unprimeable number, because it can be changed into a prime (134277943) 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, 489929 + ... + 490202.

It is an arithmetic number, because the mean of its divisors is an integer number (33814554).

Almost surely, 2^134277947 is an apocalyptic number.

134277947 is a deficient number, since it is larger than the sum of its proper divisors (980269).

134277947 is an equidigital number, since it uses as much as digits as its factorization.

134277947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980268.

The product of its digits is 296352, while the sum is 44.

The square root of 134277947 is about 11587.8361655660. The cubic root of 134277947 is about 512.0765609692.

The spelling of 134277947 in words is "one hundred thirty-four million, two hundred seventy-seven thousand, nine hundred forty-seven".