134140947 has 16 divisors (see below), whose sum is σ = 185050272. Its totient is φ = 86365440.

The previous prime is 134140927. The next prime is 134141003. The reversal of 134140947 is 749041431.

It is not a de Polignac number, because 134140947 - 2¹⁰ = 134139923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134140907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10797 + ... + 19617.

It is an arithmetic number, because the mean of its divisors is an integer number (11565642).

Almost surely, 2^134140947 is an apocalyptic number.

134140947 is a deficient number, since it is larger than the sum of its proper divisors (50909325).

134140947 is a wasteful number, since it uses less digits than its factorization.

134140947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8998.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 134140947 is about 11581.9232858796. The cubic root of 134140947 is about 511.9023492866.

The spelling of 134140947 in words is "one hundred thirty-four million, one hundred forty thousand, nine hundred forty-seven".