134072645 has 32 divisors (see below), whose sum is σ = 198816000. Its totient is φ = 84727296.

The previous prime is 134072633. The next prime is 134072671. The reversal of 134072645 is 546270431.

It is a cyclic number.

It is not a de Polignac number, because 134072645 - 2¹² = 134068549 is a prime.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 21881 + ... + 27329.

It is an arithmetic number, because the mean of its divisors is an integer number (6213000).

Almost surely, 2^134072645 is an apocalyptic number.

It is an amenable number.

134072645 is a deficient number, since it is larger than the sum of its proper divisors (64743355).

134072645 is a wasteful number, since it uses less digits than its factorization.

134072645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5517.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 134072645 is about 11578.9742637247. The cubic root of 134072645 is about 511.8154509133.

The spelling of 134072645 in words is "one hundred thirty-four million, seventy-two thousand, six hundred forty-five".