148887131269 has 2 divisors, whose sum is σ = 148887131270. Its totient is φ = 148887131268.

The previous prime is 148887131233. The next prime is 148887131273. The reversal of 148887131269 is 962131788841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 141233156100 + 7653975169 = 375810^2 + 87487^2 .

It is a cyclic number.

It is not a de Polignac number, because 148887131269 - 2¹¹ = 148887129221 is a prime.

It is a super-2 number, since 2×148887131269² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148887131369) 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, 74443565634 + 74443565635.

It is an arithmetic number, because the mean of its divisors is an integer number (74443565635).

Almost surely, 2^148887131269 is an apocalyptic number.

It is an amenable number.

148887131269 is a deficient number, since it is larger than the sum of its proper divisors (1).

148887131269 is an equidigital number, since it uses as much as digits as its factorization.

148887131269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4644864, while the sum is 58.

The spelling of 148887131269 in words is "one hundred forty-eight billion, eight hundred eighty-seven million, one hundred thirty-one thousand, two hundred sixty-nine".