146313187 has 2 divisors, whose sum is σ = 146313188. Its totient is φ = 146313186.

The previous prime is 146313173. The next prime is 146313217. The reversal of 146313187 is 781313641.

It is a weak prime.

It is an emirp because it is prime and its reverse (781313641) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146313187 is a prime.

It is not a weakly prime, because it can be changed into another prime (146313127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73156593 + 73156594.

It is an arithmetic number, because the mean of its divisors is an integer number (73156594).

Almost surely, 2^146313187 is an apocalyptic number.

146313187 is a deficient number, since it is larger than the sum of its proper divisors (1).

146313187 is an equidigital number, since it uses as much as digits as its factorization.

146313187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 34.

The square root of 146313187 is about 12095.9988012566. The cubic root of 146313187 is about 526.9399874293.

The spelling of 146313187 in words is "one hundred forty-six million, three hundred thirteen thousand, one hundred eighty-seven".