1940147434 has 8 divisors (see below), whose sum is σ = 2910410820. Its totient is φ = 970010496.

The previous prime is 1940147411. The next prime is 1940147471. The reversal of 1940147434 is 4347410491.

It can be written as a sum of positive squares in 2 ways, for example, as 1932042025 + 8105409 = 43955^2 + 2847^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1940147393 and 1940147402.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33912 + ... + 70924.

Almost surely, 2^1940147434 is an apocalyptic number.

1940147434 is a deficient number, since it is larger than the sum of its proper divisors (970263386).

1940147434 is a wasteful number, since it uses less digits than its factorization.

1940147434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63224.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 1940147434 is about 44047.1047175634. The cubic root of 1940147434 is about 1247.2252979669.

The spelling of 1940147434 in words is "one billion, nine hundred forty million, one hundred forty-seven thousand, four hundred thirty-four".