134975247 has 32 divisors (see below), whose sum is σ = 206309376. Its totient is φ = 77695200.

The previous prime is 134975231. The next prime is 134975263. The reversal of 134975247 is 742579431.

It is an interprime number because it is at equal distance from previous prime (134975231) and next prime (134975263).

It is not a de Polignac number, because 134975247 - 2⁴ = 134975231 is a prime.

It is a super-2 number, since 2×134975247² = 36436634605422018, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 134975199 and 134975208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134975207) 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 31 ways as a sum of consecutive naturals, for example, 123172 + ... + 124262.

It is an arithmetic number, because the mean of its divisors is an integer number (6447168).

Almost surely, 2^134975247 is an apocalyptic number.

134975247 is a deficient number, since it is larger than the sum of its proper divisors (71334129).

134975247 is a wasteful number, since it uses less digits than its factorization.

134975247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291.

The product of its digits is 211680, while the sum is 42.

The square root of 134975247 is about 11617.8847902706. The cubic root of 134975247 is about 512.9614287276.

The spelling of 134975247 in words is "one hundred thirty-four million, nine hundred seventy-five thousand, two hundred forty-seven".