146720835 has 32 divisors (see below), whose sum is σ = 262774080. Its totient is φ = 77670144.

The previous prime is 146720813. The next prime is 146720839. The reversal of 146720835 is 538027641.

It is not a de Polignac number, because 146720835 - 2⁶ = 146720771 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 146720835.

It is not an unprimeable number, because it can be changed into a prime (146720839) 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 31 ways as a sum of consecutive naturals, for example, 14529 + ... + 22461.

It is an arithmetic number, because the mean of its divisors is an integer number (8211690).

Almost surely, 2^146720835 is an apocalyptic number.

146720835 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

146720835 is a deficient number, since it is larger than the sum of its proper divisors (116053245).

146720835 is a wasteful number, since it uses less digits than its factorization.

146720835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8084 (or 8078 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 146720835 is about 12112.8376113940. The cubic root of 146720835 is about 527.4289086078.

The spelling of 146720835 in words is "one hundred forty-six million, seven hundred twenty thousand, eight hundred thirty-five".