147813783 has 16 divisors (see below), whose sum is σ = 219565920. Its totient is φ = 87825024.

The previous prime is 147813769. The next prime is 147813823. The reversal of 147813783 is 387318741.

It is a happy number.

It is not a de Polignac number, because 147813783 - 2⁵ = 147813751 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147813713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64216 + ... + 66477.

It is an arithmetic number, because the mean of its divisors is an integer number (13722870).

Almost surely, 2^147813783 is an apocalyptic number.

147813783 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

147813783 is a deficient number, since it is larger than the sum of its proper divisors (71752137).

147813783 is a wasteful number, since it uses less digits than its factorization.

147813783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130738.

The product of its digits is 112896, while the sum is 42.

The square root of 147813783 is about 12157.8691800825. The cubic root of 147813783 is about 528.7353054392.

The spelling of 147813783 in words is "one hundred forty-seven million, eight hundred thirteen thousand, seven hundred eighty-three".