146319407 has 8 divisors (see below), whose sum is σ = 159136320. Its totient is φ = 133725600.

The previous prime is 146319389. The next prime is 146319451. The reversal of 146319407 is 704913641.

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 146319407 - 2⁶ = 146319343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146319457) 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, 54407 + ... + 57032.

It is an arithmetic number, because the mean of its divisors is an integer number (19892040).

Almost surely, 2^146319407 is an apocalyptic number.

146319407 is a deficient number, since it is larger than the sum of its proper divisors (12816913).

146319407 is a wasteful number, since it uses less digits than its factorization.

146319407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111553.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 146319407 is about 12096.2559083379. The cubic root of 146319407 is about 526.9474543349.

The spelling of 146319407 in words is "one hundred forty-six million, three hundred nineteen thousand, four hundred seven".