1425735394 has 8 divisors (see below), whose sum is σ = 2190764268. Its totient is φ = 695480640.

The previous prime is 1425735383. The next prime is 1425735403. The reversal of 1425735394 is 4935375241.

It can be written as a sum of positive squares in 2 ways, for example, as 1152263025 + 273472369 = 33945^2 + 16537^2 .

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 1425735394.

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, 8693427 + ... + 8693590.

Almost surely, 2^1425735394 is an apocalyptic number.

1425735394 is a deficient number, since it is larger than the sum of its proper divisors (765028874).

1425735394 is a wasteful number, since it uses less digits than its factorization.

1425735394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17387060.

The product of its digits is 453600, while the sum is 43.

The square root of 1425735394 is about 37758.9114514706. The cubic root of 1425735394 is about 1125.5021018640.

The spelling of 1425735394 in words is "one billion, four hundred twenty-five million, seven hundred thirty-five thousand, three hundred ninety-four".