67136045 has 8 divisors (see below), whose sum is σ = 80713824. Its totient is φ = 53608464.

The previous prime is 67136023. The next prime is 67136071. The reversal of 67136045 is 54063176.

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 67136045 - 2¹⁰ = 67135021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9539 + ... + 15008.

It is an arithmetic number, because the mean of its divisors is an integer number (10089228).

Almost surely, 2^67136045 is an apocalyptic number.

It is an amenable number.

67136045 is a deficient number, since it is larger than the sum of its proper divisors (13577779).

67136045 is a wasteful number, since it uses less digits than its factorization.

67136045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25099.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 67136045 is about 8193.6588286308. The cubic root of 67136045 is about 406.4295263341.

The spelling of 67136045 in words is "sixty-seven million, one hundred thirty-six thousand, forty-five".