1119214638 has 128 divisors (see below), whose sum is σ = 2748211200. Its totient is φ = 336441600.

The previous prime is 1119214637. The next prime is 1119214639. The reversal of 1119214638 is 8364129111.

1119214638 is a `hidden beast` number, since 1 + 1 + 1 + 9 + 2 + 14 + 638 = 666.

1119214638 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1119214637) and next prime (1119214639).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1119214631) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1578228 + ... + 1578936.

It is an arithmetic number, because the mean of its divisors is an integer number (21470400).

Almost surely, 2^1119214638 is an apocalyptic number.

1119214638 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1119214638, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1374105600).

1119214638 is an abundant number, since it is smaller than the sum of its proper divisors (1628996562).

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

1119214638 is a wasteful number, since it uses less digits than its factorization.

1119214638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815 (or 809 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 1119214638 is about 33454.6654145577. The cubic root of 1119214638 is about 1038.2560262567.

The spelling of 1119214638 in words is "one billion, one hundred nineteen million, two hundred fourteen thousand, six hundred thirty-eight".