147813139 has 2 divisors, whose sum is σ = 147813140. Its totient is φ = 147813138.

The previous prime is 147813049. The next prime is 147813143. The reversal of 147813139 is 931318741.

It is a strong prime.

It is an emirp because it is prime and its reverse (931318741) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 147813139 - 2¹¹ = 147811091 is a prime.

It is a super-2 number, since 2×147813139² = 43697448122066642, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 147813098 and 147813107.

It is not a weakly prime, because it can be changed into another prime (147813739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73906569 + 73906570.

It is an arithmetic number, because the mean of its divisors is an integer number (73906570).

Almost surely, 2^147813139 is an apocalyptic number.

147813139 is a deficient number, since it is larger than the sum of its proper divisors (1).

147813139 is an equidigital number, since it uses as much as digits as its factorization.

147813139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 37.

The square root of 147813139 is about 12157.8426951495. The cubic root of 147813139 is about 528.7345375676.

The spelling of 147813139 in words is "one hundred forty-seven million, eight hundred thirteen thousand, one hundred thirty-nine".