148072139 has 2 divisors, whose sum is σ = 148072140. Its totient is φ = 148072138.

The previous prime is 148072129. The next prime is 148072153. The reversal of 148072139 is 931270841.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 148072139 - 2¹⁶ = 148006603 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 148072099 and 148072108.

It is not a weakly prime, because it can be changed into another prime (148072129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74036069 + 74036070.

It is an arithmetic number, because the mean of its divisors is an integer number (74036070).

Almost surely, 2^148072139 is an apocalyptic number.

148072139 is a deficient number, since it is larger than the sum of its proper divisors (1).

148072139 is an equidigital number, since it uses as much as digits as its factorization.

148072139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 148072139 is about 12168.4895940293. The cubic root of 148072139 is about 529.0431757576.

The spelling of 148072139 in words is "one hundred forty-eight million, seventy-two thousand, one hundred thirty-nine".