147973039 has 2 divisors, whose sum is σ = 147973040. Its totient is φ = 147973038.

The previous prime is 147973037. The next prime is 147973073. The reversal of 147973039 is 930379741.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 147973039 - 2¹ = 147973037 is a prime.

Together with 147973037, it forms a pair of twin primes.

It is equal to p_8336797 and since 147973039 and 8336797 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 147972986 and 147973004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147973037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73986519 + 73986520.

It is an arithmetic number, because the mean of its divisors is an integer number (73986520).

Almost surely, 2^147973039 is an apocalyptic number.

147973039 is a deficient number, since it is larger than the sum of its proper divisors (1).

147973039 is an equidigital number, since it uses as much as digits as its factorization.

147973039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 142884, while the sum is 43.

The square root of 147973039 is about 12164.4169198528. The cubic root of 147973039 is about 528.9251254622.

The spelling of 147973039 in words is "one hundred forty-seven million, nine hundred seventy-three thousand, thirty-nine".