147678313 has 2 divisors, whose sum is σ = 147678314. Its totient is φ = 147678312.

The previous prime is 147678287. The next prime is 147678341. The reversal of 147678313 is 313876741.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 141063129 + 6615184 = 11877^2 + 2572^2 .

It is a cyclic number.

It is not a de Polignac number, because 147678313 - 2⁵ = 147678281 is a prime.

It is not a weakly prime, because it can be changed into another prime (147678613) 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, 73839156 + 73839157.

It is an arithmetic number, because the mean of its divisors is an integer number (73839157).

Almost surely, 2^147678313 is an apocalyptic number.

It is an amenable number.

147678313 is a deficient number, since it is larger than the sum of its proper divisors (1).

147678313 is an equidigital number, since it uses as much as digits as its factorization.

147678313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84672, while the sum is 40.

The square root of 147678313 is about 12152.2966142207. The cubic root of 147678313 is about 528.5737290206.

The spelling of 147678313 in words is "one hundred forty-seven million, six hundred seventy-eight thousand, three hundred thirteen".