1425407538 has 32 divisors (see below), whose sum is σ = 2883196800. Its totient is φ = 469760256.

The previous prime is 1425407537. The next prime is 1425407561. The reversal of 1425407538 is 8357045241.

It is a junction number, because it is equal to n+sod(n) for n = 1425407496 and 1425407505.

It is not an unprimeable number, because it can be changed into a prime (1425407537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 295248 + ... + 300036.

It is an arithmetic number, because the mean of its divisors is an integer number (90099900).

Almost surely, 2^1425407538 is an apocalyptic number.

1425407538 is an abundant number, since it is smaller than the sum of its proper divisors (1457789262).

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

1425407538 is a wasteful number, since it uses less digits than its factorization.

1425407538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5346.

The product of its (nonzero) digits is 134400, while the sum is 39.

The square root of 1425407538 is about 37754.5697631426. The cubic root of 1425407538 is about 1125.4158233705.

The spelling of 1425407538 in words is "one billion, four hundred twenty-five million, four hundred seven thousand, five hundred thirty-eight".