1425358856 has 8 divisors (see below), whose sum is σ = 2672547870. Its totient is φ = 712679424.

The previous prime is 1425358849. The next prime is 1425358859. The reversal of 1425358856 is 6588535241.

It can be written as a sum of positive squares in only one way, i.e., 854626756 + 570732100 = 29234^2 + 23890^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 1425358856.

It is not an unprimeable number, because it can be changed into a prime (1425358859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 89084921 + ... + 89084936.

Almost surely, 2^1425358856 is an apocalyptic number.

It is an amenable number.

1425358856 is a deficient number, since it is larger than the sum of its proper divisors (1247189014).

1425358856 is a wasteful number, since it uses less digits than its factorization.

1425358856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178169863 (or 178169859 counting only the distinct ones).

The product of its digits is 1152000, while the sum is 47.

The square root of 1425358856 is about 37753.9250409808. The cubic root of 1425358856 is about 1125.4030111010.

The spelling of 1425358856 in words is "one billion, four hundred twenty-five million, three hundred fifty-eight thousand, eight hundred fifty-six".