1359474381225 has 27 divisors (see below), whose sum is σ = 2435000995479. Its totient is φ = 725043675600.

The previous prime is 1359474381197. The next prime is 1359474381241. The reversal of 1359474381225 is 5221834749531.

The square root of 1359474381225 is 1165965.

It is a perfect power (a square), and thus also a powerful number.

1359474381225 is a `hidden beast` number, since 1 + 3 + 594 + 7 + 4 + 38 + 12 + 2 + 5 = 666.

It can be written as a sum of positive squares in only one way, i.e., 489410777241 + 870063603984 = 699579^2 + 932772^2 .

It is not a de Polignac number, because 1359474381225 - 2²⁹ = 1358937510313 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 17450610 + ... + 17528340.

Almost surely, 2^{1359474381225} is an apocalyptic number.

1359474381225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1359474381225 is the 1165965-th square number.

1359474381225 is the 582983-rd centered octagonal number.

It is an amenable number.

1359474381225 is a deficient number, since it is larger than the sum of its proper divisors (1075526614254).

1359474381225 is an frugal number, since it uses more digits than its factorization.

1359474381225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155478 (or 77739 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 54.

The spelling of 1359474381225 in words is "one trillion, three hundred fifty-nine billion, four hundred seventy-four million, three hundred eighty-one thousand, two hundred twenty-five".