148201139 has 2 divisors, whose sum is σ = 148201140. Its totient is φ = 148201138.

The previous prime is 148201133. The next prime is 148201201. The reversal of 148201139 is 931102841.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 148201139 - 2²⁰ = 147152563 is a prime.

It is not a weakly prime, because it can be changed into another prime (148201133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74100569 + 74100570.

It is an arithmetic number, because the mean of its divisors is an integer number (74100570).

Almost surely, 2^148201139 is an apocalyptic number.

148201139 is a deficient number, since it is larger than the sum of its proper divisors (1).

148201139 is an equidigital number, since it uses as much as digits as its factorization.

148201139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 148201139 is about 12173.7890157502. The cubic root of 148201139 is about 529.1967647694.

The spelling of 148201139 in words is "one hundred forty-eight million, two hundred one thousand, one hundred thirty-nine".