134977047 has 4 divisors (see below), whose sum is σ = 179969400. Its totient is φ = 89984696.

The previous prime is 134977021. The next prime is 134977067. The reversal of 134977047 is 740779431.

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 134977047 - 2⁶ = 134976983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134977067) 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, 22496172 + ... + 22496177.

It is an arithmetic number, because the mean of its divisors is an integer number (44992350).

Almost surely, 2^134977047 is an apocalyptic number.

134977047 is a deficient number, since it is larger than the sum of its proper divisors (44992353).

134977047 is an equidigital number, since it uses as much as digits as its factorization.

134977047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44992352.

The product of its (nonzero) digits is 148176, while the sum is 42.

The square root of 134977047 is about 11617.9622567815. The cubic root of 134977047 is about 512.9637089641.

The spelling of 134977047 in words is "one hundred thirty-four million, nine hundred seventy-seven thousand, forty-seven".