1948133146 has 8 divisors (see below), whose sum is σ = 2990157984. Its totient is φ = 951413820.

The previous prime is 1948133141. The next prime is 1948133167. The reversal of 1948133146 is 6413318491.

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

It is a junction number, because it is equal to n+sod(n) for n = 1948133099 and 1948133108.

It is not an unprimeable number, because it can be changed into a prime (1948133141) 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, 11326270 + ... + 11326441.

It is an arithmetic number, because the mean of its divisors is an integer number (373769748).

Almost surely, 2^1948133146 is an apocalyptic number.

1948133146 is a deficient number, since it is larger than the sum of its proper divisors (1042024838).

1948133146 is a wasteful number, since it uses less digits than its factorization.

1948133146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22652756.

The product of its digits is 62208, while the sum is 40.

The square root of 1948133146 is about 44137.6613109485. The cubic root of 1948133146 is about 1248.9341625975.

The spelling of 1948133146 in words is "one billion, nine hundred forty-eight million, one hundred thirty-three thousand, one hundred forty-six".