146918069 has 8 divisors (see below), whose sum is σ = 149881248. Its totient is φ = 143977680.

The previous prime is 146918059. The next prime is 146918071. The reversal of 146918069 is 960819641.

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 146918069 - 2¹² = 146913973 is a prime.

It is a super-2 number, since 2×146918069² = 43169837997377522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146918059) 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 7 ways as a sum of consecutive naturals, for example, 7634 + ... + 18764.

It is an arithmetic number, because the mean of its divisors is an integer number (18735156).

Almost surely, 2^146918069 is an apocalyptic number.

It is an amenable number.

146918069 is a deficient number, since it is larger than the sum of its proper divisors (2963179).

146918069 is a wasteful number, since it uses less digits than its factorization.

146918069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11395.

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 146918069 is about 12120.9764045641. The cubic root of 146918069 is about 527.6651403022.

The spelling of 146918069 in words is "one hundred forty-six million, nine hundred eighteen thousand, sixty-nine".