1838190136 has 16 divisors (see below), whose sum is σ = 3557787840. Its totient is φ = 889446720.

The previous prime is 1838190121. The next prime is 1838190139. The reversal of 1838190136 is 6310918381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1838190139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3705781 + ... + 3706276.

It is an arithmetic number, because the mean of its divisors is an integer number (222361740).

Almost surely, 2^1838190136 is an apocalyptic number.

It is an amenable number.

1838190136 is a deficient number, since it is larger than the sum of its proper divisors (1719597704).

1838190136 is a wasteful number, since it uses less digits than its factorization.

1838190136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7412094 (or 7412090 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 1838190136 is about 42874.1196527695. The cubic root of 1838190136 is about 1224.9832314239.

The spelling of 1838190136 in words is "one billion, eight hundred thirty-eight million, one hundred ninety thousand, one hundred thirty-six".