134921847 has 8 divisors (see below), whose sum is σ = 181209456. Its totient is φ = 89291072.

The previous prime is 134921837. The next prime is 134921851. The reversal of 134921847 is 748129431.

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 134921847 - 2¹² = 134917751 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134921837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163728 + ... + 164549.

It is an arithmetic number, because the mean of its divisors is an integer number (22651182).

Almost surely, 2^134921847 is an apocalyptic number.

134921847 is a deficient number, since it is larger than the sum of its proper divisors (46287609).

134921847 is a wasteful number, since it uses less digits than its factorization.

134921847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328417.

The product of its digits is 48384, while the sum is 39.

The square root of 134921847 is about 11615.5863820988. The cubic root of 134921847 is about 512.8937724867.

The spelling of 134921847 in words is "one hundred thirty-four million, nine hundred twenty-one thousand, eight hundred forty-seven".