147231907 has 2 divisors, whose sum is σ = 147231908. Its totient is φ = 147231906.

The previous prime is 147231863. The next prime is 147231911. The reversal of 147231907 is 709132741.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 147231907 - 2¹⁹ = 146707619 is a prime.

It is not a weakly prime, because it can be changed into another prime (147231937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73615953 + 73615954.

It is an arithmetic number, because the mean of its divisors is an integer number (73615954).

Almost surely, 2^147231907 is an apocalyptic number.

147231907 is a deficient number, since it is larger than the sum of its proper divisors (1).

147231907 is an equidigital number, since it uses as much as digits as its factorization.

147231907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 147231907 is about 12133.9155675322. The cubic root of 147231907 is about 528.0405958131.

The spelling of 147231907 in words is "one hundred forty-seven million, two hundred thirty-one thousand, nine hundred seven".