1913761136 has 40 divisors (see below), whose sum is σ = 4249251840. Its totient is φ = 817930944.

The previous prime is 1913761103. The next prime is 1913761159. The reversal of 1913761136 is 6311673191.

It is a self number, because there is not a number n which added to its sum of digits gives 1913761136.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17825 + ... + 64383.

It is an arithmetic number, because the mean of its divisors is an integer number (106231296).

Almost surely, 2^1913761136 is an apocalyptic number.

1913761136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1913761136 is an abundant number, since it is smaller than the sum of its proper divisors (2335490704).

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

1913761136 is a wasteful number, since it uses less digits than its factorization.

1913761136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46941 (or 46935 counting only the distinct ones).

The product of its digits is 20412, while the sum is 38.

The square root of 1913761136 is about 43746.5557044209. Note that the first 3 decimals coincide. The cubic root of 1913761136 is about 1241.5453193084.

The spelling of 1913761136 in words is "one billion, nine hundred thirteen million, seven hundred sixty-one thousand, one hundred thirty-six".