1341540225 has 60 divisors (see below), whose sum is σ = 2500506624. Its totient is φ = 711024480.

The previous prime is 1341540217. The next prime is 1341540247. The reversal of 1341540225 is 5220451431.

It is not a de Polignac number, because 1341540225 - 2³ = 1341540217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 336192 + ... + 340158.

Almost surely, 2^1341540225 is an apocalyptic number.

1341540225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1341540225 is a deficient number, since it is larger than the sum of its proper divisors (1158966399).

1341540225 is a wasteful number, since it uses less digits than its factorization.

1341540225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4156 (or 4142 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 1341540225 is about 36627.0422638793. The cubic root of 1341540225 is about 1102.8960121176.

Adding to 1341540225 its reverse (5220451431), we get a palindrome (6561991656).

The spelling of 1341540225 in words is "one billion, three hundred forty-one million, five hundred forty thousand, two hundred twenty-five".