1940403134 has 16 divisors (see below), whose sum is σ = 2925158400. Its totient is φ = 965363064.

The previous prime is 1940403121. The next prime is 1940403149. The reversal of 1940403134 is 4313040491.

It is a junction number, because it is equal to n+sod(n) for n = 1940403097 and 1940403106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 348827 + ... + 354345.

It is an arithmetic number, because the mean of its divisors is an integer number (182822400).

Almost surely, 2^1940403134 is an apocalyptic number.

1940403134 is a deficient number, since it is larger than the sum of its proper divisors (984755266).

1940403134 is a wasteful number, since it uses less digits than its factorization.

1940403134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6367.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 1940403134 is about 44050.0071963672. The cubic root of 1940403134 is about 1247.2800878751.

The spelling of 1940403134 in words is "one billion, nine hundred forty million, four hundred three thousand, one hundred thirty-four".