1940136336 has 30 divisors (see below), whose sum is σ = 5429687510. Its totient is φ = 646712064.

The previous prime is 1940136313. The next prime is 1940136347. The reversal of 1940136336 is 6336310491.

1940136336 is a `hidden beast` number, since 1 + 9 + 4 + 0 + 13 + 633 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1850720400 + 89415936 = 43020^2 + 9456^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1940136336.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6736441 + ... + 6736728.

Almost surely, 2^1940136336 is an apocalyptic number.

1940136336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1940136336 is an abundant number, since it is smaller than the sum of its proper divisors (3489551174).

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

1940136336 is a wasteful number, since it uses less digits than its factorization.

1940136336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13473183 (or 13473174 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

The square root of 1940136336 is about 44046.9787386150. The cubic root of 1940136336 is about 1247.2229198430. Note that the first 3 decimals are identical.

The spelling of 1940136336 in words is "one billion, nine hundred forty million, one hundred thirty-six thousand, three hundred thirty-six".