1425131344 has 40 divisors (see below), whose sum is σ = 3398393600. Its totient is φ = 563787648.

The previous prime is 1425131317. The next prime is 1425131377. The reversal of 1425131344 is 4431315241.

It is a Harshad number since it is a multiple of its sum of digits (28).

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, 487944 + ... + 490855.

It is an arithmetic number, because the mean of its divisors is an integer number (84959840).

Almost surely, 2^1425131344 is an apocalyptic number.

1425131344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1425131344 is an abundant number, since it is smaller than the sum of its proper divisors (1973262256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1425131344 is a wasteful number, since it uses less digits than its factorization.

1425131344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978827 (or 978821 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 1425131344 is about 37750.9118300472. The cubic root of 1425131344 is about 1125.3431299669.

Adding to 1425131344 its reverse (4431315241), we get a palindrome (5856446585).

The spelling of 1425131344 in words is "one billion, four hundred twenty-five million, one hundred thirty-one thousand, three hundred forty-four".