1425135432 has 128 divisors (see below), whose sum is σ = 4538419200. Its totient is φ = 363045888.

The previous prime is 1425135389. The next prime is 1425135463. The reversal of 1425135432 is 2345315241.

It is a self number, because there is not a number n which added to its sum of digits gives 1425135432.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41133 + ... + 67395.

It is an arithmetic number, because the mean of its divisors is an integer number (35456400).

Almost surely, 2^1425135432 is an apocalyptic number.

1425135432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1425135432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2269209600).

1425135432 is an abundant number, since it is smaller than the sum of its proper divisors (3113283768).

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

1425135432 is a wasteful number, since it uses less digits than its factorization.

1425135432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26315 (or 26311 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

The square root of 1425135432 is about 37750.9659743959. The cubic root of 1425135432 is about 1125.3442059843.

The spelling of 1425135432 in words is "one billion, four hundred twenty-five million, one hundred thirty-five thousand, four hundred thirty-two".