1940392103 has 8 divisors (see below), whose sum is σ = 2110344096. Its totient is φ = 1773396000.

The previous prime is 1940392099. The next prime is 1940392109. The reversal of 1940392103 is 3012930491.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1940392103 - 2² = 1940392099 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1940392103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1940392109) 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, 737603 + ... + 740228.

It is an arithmetic number, because the mean of its divisors is an integer number (263793012).

Almost surely, 2^1940392103 is an apocalyptic number.

1940392103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1940392103 is a deficient number, since it is larger than the sum of its proper divisors (169951993).

1940392103 is a wasteful number, since it uses less digits than its factorization.

1940392103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1477945.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 1940392103 is about 44049.8819862210. The cubic root of 1940392103 is about 1247.2777243159.

The spelling of 1940392103 in words is "one billion, nine hundred forty million, three hundred ninety-two thousand, one hundred three".