147785413 has 2 divisors, whose sum is σ = 147785414. Its totient is φ = 147785412.

The previous prime is 147785389. The next prime is 147785441. The reversal of 147785413 is 314587741.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134954689 + 12830724 = 11617^2 + 3582^2 .

It is a cyclic number.

It is not a de Polignac number, because 147785413 - 2⁵ = 147785381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147785483) 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 as a sum of consecutive naturals, namely, 73892706 + 73892707.

It is an arithmetic number, because the mean of its divisors is an integer number (73892707).

Almost surely, 2^147785413 is an apocalyptic number.

It is an amenable number.

147785413 is a deficient number, since it is larger than the sum of its proper divisors (1).

147785413 is an equidigital number, since it uses as much as digits as its factorization.

147785413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 94080, while the sum is 40.

The square root of 147785413 is about 12156.7023900398. The cubic root of 147785413 is about 528.7014764325.

The spelling of 147785413 in words is "one hundred forty-seven million, seven hundred eighty-five thousand, four hundred thirteen".