1913696340 has 96 divisors (see below), whose sum is σ = 5822423040. Its totient is φ = 467856000.

The previous prime is 1913696333. The next prime is 1913696357. The reversal of 1913696340 is 436963191.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1913696292 and 1913696301.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8265 + ... + 62415.

It is an arithmetic number, because the mean of its divisors is an integer number (60650240).

Almost surely, 2^1913696340 is an apocalyptic number.

1913696340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1913696340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2911211520).

1913696340 is an abundant number, since it is smaller than the sum of its proper divisors (3908726700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1913696340 is a wasteful number, since it uses less digits than its factorization.

1913696340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54213 (or 54211 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 42.

The square root of 1913696340 is about 43745.8151141341. The cubic root of 1913696340 is about 1241.5313070968.

The spelling of 1913696340 in words is "one billion, nine hundred thirteen million, six hundred ninety-six thousand, three hundred forty".