1425315994 has 8 divisors (see below), whose sum is σ = 2149786548. Its totient is φ = 708720480.

The previous prime is 1425315977. The next prime is 1425316007. The reversal of 1425315994 is 4995135241.

It can be written as a sum of positive squares in 2 ways, for example, as 1423175625 + 2140369 = 37725^2 + 1463^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1425315994.

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, 1968307 + ... + 1969030.

Almost surely, 2^1425315994 is an apocalyptic number.

1425315994 is a deficient number, since it is larger than the sum of its proper divisors (724470554).

1425315994 is a wasteful number, since it uses less digits than its factorization.

1425315994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3937520.

The product of its digits is 194400, while the sum is 43.

The square root of 1425315994 is about 37753.3573871252. The cubic root of 1425315994 is about 1125.3917303143.

The spelling of 1425315994 in words is "one billion, four hundred twenty-five million, three hundred fifteen thousand, nine hundred ninety-four".