1213148336 has 20 divisors (see below), whose sum is σ = 2405138472. Its totient is φ = 592467456.

The previous prime is 1213148311. The next prime is 1213148357. The reversal of 1213148336 is 6338413121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 880961 + ... + 882336.

Almost surely, 2^1213148336 is an apocalyptic number.

1213148336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1213148336 is a deficient number, since it is larger than the sum of its proper divisors (1191990136).

1213148336 is a wasteful number, since it uses less digits than its factorization.

1213148336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1763348 (or 1763342 counting only the distinct ones).

The product of its digits is 10368, while the sum is 32.

The square root of 1213148336 is about 34830.2790112281. The cubic root of 1213148336 is about 1066.5256440300.

The spelling of 1213148336 in words is "one billion, two hundred thirteen million, one hundred forty-eight thousand, three hundred thirty-six".