1936638130 has 48 divisors (see below), whose sum is σ = 4232120256. Its totient is φ = 624925440.

The previous prime is 1936638091. The next prime is 1936638133. The reversal of 1936638130 is 318366391.

It is not an unprimeable number, because it can be changed into a prime (1936638133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27636 + ... + 68095.

It is an arithmetic number, because the mean of its divisors is an integer number (88169172).

Almost surely, 2^1936638130 is an apocalyptic number.

1936638130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1936638130 is an abundant number, since it is smaller than the sum of its proper divisors (2295482126).

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

1936638130 is a wasteful number, since it uses less digits than its factorization.

1936638130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95779 (or 95762 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 1936638130 is about 44007.2508798266. The cubic root of 1936638130 is about 1246.4728578423.

The spelling of 1936638130 in words is "one billion, nine hundred thirty-six million, six hundred thirty-eight thousand, one hundred thirty".