1919161135 has 16 divisors (see below), whose sum is σ = 2338947072. Its totient is φ = 1511546400.

The previous prime is 1919161117. The next prime is 1919161171. The reversal of 1919161135 is 5311619191.

It is not a de Polignac number, because 1919161135 - 2⁷ = 1919161007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1919161094 and 1919161103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71650 + ... + 94720.

It is an arithmetic number, because the mean of its divisors is an integer number (146184192).

Almost surely, 2^1919161135 is an apocalyptic number.

1919161135 is a deficient number, since it is larger than the sum of its proper divisors (419785937).

1919161135 is a wasteful number, since it uses less digits than its factorization.

1919161135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23334.

The product of its digits is 7290, while the sum is 37.

The square root of 1919161135 is about 43808.2313612408. The cubic root of 1919161135 is about 1242.7119656943.

The spelling of 1919161135 in words is "one billion, nine hundred nineteen million, one hundred sixty-one thousand, one hundred thirty-five".