146394679 has 4 divisors (see below), whose sum is σ = 151117120. Its totient is φ = 141672240.

The previous prime is 146394673. The next prime is 146394691. The reversal of 146394679 is 976493641.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 146394679 - 2³ = 146394671 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 (146394671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2361174 + ... + 2361235.

It is an arithmetic number, because the mean of its divisors is an integer number (37779280).

Almost surely, 2^146394679 is an apocalyptic number.

146394679 is a deficient number, since it is larger than the sum of its proper divisors (4722441).

146394679 is an equidigital number, since it uses as much as digits as its factorization.

146394679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4722440.

The product of its digits is 979776, while the sum is 49.

The square root of 146394679 is about 12099.3668842630. The cubic root of 146394679 is about 527.0377991268.

The spelling of 146394679 in words is "one hundred forty-six million, three hundred ninety-four thousand, six hundred seventy-nine".