1851315130 has 32 divisors (see below), whose sum is σ = 4032446976. Its totient is φ = 597398784.

The previous prime is 1851315127. The next prime is 1851315139. The reversal of 1851315130 is 315131581.

1851315130 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1851315139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 776674 + ... + 779053.

It is an arithmetic number, because the mean of its divisors is an integer number (126013968).

Almost surely, 2^1851315130 is an apocalyptic number.

1851315130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1851315130 is an abundant number, since it is smaller than the sum of its proper divisors (2181131846).

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

1851315130 is a wasteful number, since it uses less digits than its factorization.

1851315130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555758.

The product of its (nonzero) digits is 1800, while the sum is 28.

The square root of 1851315130 is about 43026.9116948916. The cubic root of 1851315130 is about 1227.8918500708.

The spelling of 1851315130 in words is "one billion, eight hundred fifty-one million, three hundred fifteen thousand, one hundred thirty".