148887131257 has 8 divisors (see below), whose sum is σ = 157598848800. Its totient is φ = 140262969024.

The previous prime is 148887131233. The next prime is 148887131269. The reversal of 148887131257 is 752131788841.

148887131257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-148887131257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 148887131198 and 148887131207.

It is not an unprimeable number, because it can be changed into a prime (148887131207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21885328 + ... + 21892129.

It is an arithmetic number, because the mean of its divisors is an integer number (19699856100).

Almost surely, 2^148887131257 is an apocalyptic number.

It is an amenable number.

148887131257 is a deficient number, since it is larger than the sum of its proper divisors (8711717543).

148887131257 is a wasteful number, since it uses less digits than its factorization.

148887131257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43777655.

The product of its digits is 3010560, while the sum is 55.

The spelling of 148887131257 in words is "one hundred forty-eight billion, eight hundred eighty-seven million, one hundred thirty-one thousand, two hundred fifty-seven".