1940403130 has 16 divisors (see below), whose sum is σ = 3493717920. Its totient is φ = 775940752.

The previous prime is 1940403121. The next prime is 1940403149. The reversal of 1940403130 is 313040491.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1940403095 and 1940403104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12117 + ... + 63463.

It is an arithmetic number, because the mean of its divisors is an integer number (218357370).

Almost surely, 2^1940403130 is an apocalyptic number.

1940403130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1940403130 is a deficient number, since it is larger than the sum of its proper divisors (1553314790).

1940403130 is a wasteful number, since it uses less digits than its factorization.

1940403130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55133.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 1940403130 is about 44050.0071509642. The cubic root of 1940403130 is about 1247.2800870180.

The spelling of 1940403130 in words is "one billion, nine hundred forty million, four hundred three thousand, one hundred thirty".