1906326130 has 16 divisors (see below), whose sum is σ = 3435315480. Its totient is φ = 761657472.

The previous prime is 1906326077. The next prime is 1906326139. The reversal of 1906326130 is 316236091.

It can be written as a sum of positive squares in 4 ways, for example, as 1509400201 + 396925929 = 38851^2 + 19923^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1906326092 and 1906326101.

It is not an unprimeable number, because it can be changed into a prime (1906326139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99915 + ... + 117454.

Almost surely, 2^1906326130 is an apocalyptic number.

1906326130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1906326130 is a deficient number, since it is larger than the sum of its proper divisors (1528989350).

1906326130 is a wasteful number, since it uses less digits than its factorization.

1906326130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218253.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 1906326130 is about 43661.4948209518. The cubic root of 1906326130 is about 1239.9354219751.

The spelling of 1906326130 in words is "one billion, nine hundred six million, three hundred twenty-six thousand, one hundred thirty".