147738139 has 2 divisors, whose sum is σ = 147738140. Its totient is φ = 147738138.

The previous prime is 147738133. The next prime is 147738179. The reversal of 147738139 is 931837741.

147738139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 147738139 - 2⁷ = 147738011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 147738095 and 147738104.

It is not a weakly prime, because it can be changed into another prime (147738133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73869069 + 73869070.

It is an arithmetic number, because the mean of its divisors is an integer number (73869070).

Almost surely, 2^147738139 is an apocalyptic number.

147738139 is a deficient number, since it is larger than the sum of its proper divisors (1).

147738139 is an equidigital number, since it uses as much as digits as its factorization.

147738139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 127008, while the sum is 43.

The square root of 147738139 is about 12154.7578750052. The cubic root of 147738139 is about 528.6450962648.

The spelling of 147738139 in words is "one hundred forty-seven million, seven hundred thirty-eight thousand, one hundred thirty-nine".