146870071 has 4 divisors (see below), whose sum is σ = 146908944. Its totient is φ = 146831200.

The previous prime is 146870051. The next prime is 146870081. The reversal of 146870071 is 170078641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 170078641 = 181 ⋅939661.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146870071 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 (146870011) 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 3 ways as a sum of consecutive naturals, for example, 13075 + ... + 21556.

It is an arithmetic number, because the mean of its divisors is an integer number (36727236).

Almost surely, 2^146870071 is an apocalyptic number.

146870071 is a deficient number, since it is larger than the sum of its proper divisors (38873).

146870071 is an equidigital number, since it uses as much as digits as its factorization.

146870071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38872.

The product of its (nonzero) digits is 9408, while the sum is 34.

The square root of 146870071 is about 12118.9962868218. The cubic root of 146870071 is about 527.6076714690.

The spelling of 146870071 in words is "one hundred forty-six million, eight hundred seventy thousand, seventy-one".