1914137892 has 60 divisors (see below), whose sum is σ = 5029502940. Its totient is φ = 634785984.

The previous prime is 1914137861. The next prime is 1914137917. The reversal of 1914137892 is 2987314191.

1914137892 is a `hidden beast` number, since 191 + 4 + 1 + 378 + 92 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1784724516 + 129413376 = 42246^2 + 11376^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 48834 + ... + 78822.

It is an arithmetic number, because the mean of its divisors is an integer number (83825049).

Almost surely, 2^1914137892 is an apocalyptic number.

1914137892 is a gapful number since it is divisible by the number (12) 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 1914137892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2514751470).

1914137892 is an abundant number, since it is smaller than the sum of its proper divisors (3115365048).

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

1914137892 is a wasteful number, since it uses less digits than its factorization.

1914137892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30202 (or 30191 counting only the distinct ones).

The product of its digits is 108864, while the sum is 45.

The square root of 1914137892 is about 43750.8616143728. The cubic root of 1914137892 is about 1241.6267869739.

The spelling of 1914137892 in words is "one billion, nine hundred fourteen million, one hundred thirty-seven thousand, eight hundred ninety-two".