147013081 has 2 divisors, whose sum is σ = 147013082. Its totient is φ = 147013080.

The previous prime is 147013063. The next prime is 147013091. The reversal of 147013081 is 180310741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 146023056 + 990025 = 12084^2 + 995^2 .

It is a cyclic number.

It is not a de Polignac number, because 147013081 - 2⁵ = 147013049 is a prime.

It is a super-2 number, since 2×147013081² = 43225691970225122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (147013091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73506540 + 73506541.

It is an arithmetic number, because the mean of its divisors is an integer number (73506541).

Almost surely, 2^147013081 is an apocalyptic number.

It is an amenable number.

147013081 is a deficient number, since it is larger than the sum of its proper divisors (1).

147013081 is an equidigital number, since it uses as much as digits as its factorization.

147013081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 147013081 is about 12124.8950923297. The cubic root of 147013081 is about 527.7788629078.

The spelling of 147013081 in words is "one hundred forty-seven million, thirteen thousand, eighty-one".