147816131 has 2 divisors, whose sum is σ = 147816132. Its totient is φ = 147816130.

The previous prime is 147816089. The next prime is 147816157. The reversal of 147816131 is 131618741.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-147816131 is a prime.

It is a super-2 number, since 2×147816131² = 43699217167618322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (147816731) 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 as a sum of consecutive naturals, namely, 73908065 + 73908066.

It is an arithmetic number, because the mean of its divisors is an integer number (73908066).

Almost surely, 2^147816131 is an apocalyptic number.

147816131 is a deficient number, since it is larger than the sum of its proper divisors (1).

147816131 is an equidigital number, since it uses as much as digits as its factorization.

147816131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 32.

The square root of 147816131 is about 12157.9657426726. The cubic root of 147816131 is about 528.7381050517.

The spelling of 147816131 in words is "one hundred forty-seven million, eight hundred sixteen thousand, one hundred thirty-one".