148746137 has 2 divisors, whose sum is σ = 148746138. Its totient is φ = 148746136.

The previous prime is 148746109. The next prime is 148746151. The reversal of 148746137 is 731647841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 148742416 + 3721 = 12196^2 + 61^2 .

It is an emirp because it is prime and its reverse (731647841) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-148746137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 148746094 and 148746103.

It is not a weakly prime, because it can be changed into another prime (148746197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74373068 + 74373069.

It is an arithmetic number, because the mean of its divisors is an integer number (74373069).

Almost surely, 2^148746137 is an apocalyptic number.

It is an amenable number.

148746137 is a deficient number, since it is larger than the sum of its proper divisors (1).

148746137 is an equidigital number, since it uses as much as digits as its factorization.

148746137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 112896, while the sum is 41.

The square root of 148746137 is about 12196.1525490623. The cubic root of 148746137 is about 529.8446643389.

The spelling of 148746137 in words is "one hundred forty-eight million, seven hundred forty-six thousand, one hundred thirty-seven".