1338142025 has 36 divisors (see below), whose sum is σ = 1835114316. Its totient is φ = 967190400.

The previous prime is 1338142021. The next prime is 1338142079. The reversal of 1338142025 is 5202418331.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 5234944 + 1332907081 = 2288^2 + 36509^2 .

It is not a de Polignac number, because 1338142025 - 2² = 1338142021 is a prime.

It is a super-2 number, since 2×1338142025² = 3581248158142201250, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1338142021) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 522047 + ... + 524603.

Almost surely, 2^1338142025 is an apocalyptic number.

It is an amenable number.

1338142025 is a deficient number, since it is larger than the sum of its proper divisors (496972291).

1338142025 is a wasteful number, since it uses less digits than its factorization.

1338142025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2762 (or 2746 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 1338142025 is about 36580.6236278170. The cubic root of 1338142025 is about 1101.9639913113.

The spelling of 1338142025 in words is "one billion, three hundred thirty-eight million, one hundred forty-two thousand, twenty-five".