148126816919 has 4 divisors (see below), whose sum is σ = 148828839960. Its totient is φ = 147424793880.

The previous prime is 148126816909. The next prime is 148126816949. The reversal of 148126816919 is 919618621841.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-148126816919 is a prime.

It is a super-2 number, since 2×148126816919² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148126816909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 351011204 + ... + 351011625.

It is an arithmetic number, because the mean of its divisors is an integer number (37207209990).

Almost surely, 2^148126816919 is an apocalyptic number.

148126816919 is a deficient number, since it is larger than the sum of its proper divisors (702023041).

148126816919 is an equidigital number, since it uses as much as digits as its factorization.

148126816919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702023040.

The product of its digits is 1492992, while the sum is 56.

The spelling of 148126816919 in words is "one hundred forty-eight billion, one hundred twenty-six million, eight hundred sixteen thousand, nine hundred nineteen".