134072649 has 12 divisors (see below), whose sum is σ = 193939200. Its totient is φ = 89253144.

The previous prime is 134072633. The next prime is 134072671. The reversal of 134072649 is 946270431.

134072649 is a `hidden beast` number, since 1 + 3 + 4 + 0 + 7 + 2 + 649 = 666.

It is not a de Polignac number, because 134072649 - 2⁴ = 134072633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134072689) 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 11 ways as a sum of consecutive naturals, for example, 3889 + ... + 16830.

It is an arithmetic number, because the mean of its divisors is an integer number (16161600).

Almost surely, 2^134072649 is an apocalyptic number.

It is an amenable number.

134072649 is a deficient number, since it is larger than the sum of its proper divisors (59866551).

134072649 is a wasteful number, since it uses less digits than its factorization.

134072649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21444 (or 21441 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 134072649 is about 11578.9744364516. The cubic root of 134072649 is about 511.8154560032.

The spelling of 134072649 in words is "one hundred thirty-four million, seventy-two thousand, six hundred forty-nine".