147430939 has 2 divisors, whose sum is σ = 147430940. Its totient is φ = 147430938.

The previous prime is 147430891. The next prime is 147430951. The reversal of 147430939 is 939034741.

It is a happy number.

147430939 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 147430939 - 2¹¹ = 147428891 is a prime.

It is not a weakly prime, because it can be changed into another prime (147430999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73715469 + 73715470.

It is an arithmetic number, because the mean of its divisors is an integer number (73715470).

Almost surely, 2^147430939 is an apocalyptic number.

147430939 is a deficient number, since it is larger than the sum of its proper divisors (1).

147430939 is an equidigital number, since it uses as much as digits as its factorization.

147430939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 147430939 is about 12142.1142722345. The cubic root of 147430939 is about 528.2784284403.

The spelling of 147430939 in words is "one hundred forty-seven million, four hundred thirty thousand, nine hundred thirty-nine".