147137747 has 2 divisors, whose sum is σ = 147137748. Its totient is φ = 147137746.

The previous prime is 147137743. The next prime is 147137779. The reversal of 147137747 is 747731741.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 147137747 - 2² = 147137743 is a prime.

It is not a weakly prime, because it can be changed into another prime (147137741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73568873 + 73568874.

It is an arithmetic number, because the mean of its divisors is an integer number (73568874).

Almost surely, 2^147137747 is an apocalyptic number.

147137747 is a deficient number, since it is larger than the sum of its proper divisors (1).

147137747 is an equidigital number, since it uses as much as digits as its factorization.

147137747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 115248, while the sum is 41.

The square root of 147137747 is about 12130.0349133875. The cubic root of 147137747 is about 527.9280049429.

The spelling of 147137747 in words is "one hundred forty-seven million, one hundred thirty-seven thousand, seven hundred forty-seven".