1361526606 has 144 divisors (see below), whose sum is σ = 3381094080. Its totient is φ = 395366400.

The previous prime is 1361526557. The next prime is 1361526611. The reversal of 1361526606 is 6066251631.

1361526606 is a `hidden beast` number, since 1 + 36 + 15 + 2 + 6 + 606 = 666.

It is a congruent 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 71 ways as a sum of consecutive naturals, for example, 7054446 + ... + 7054638.

It is an arithmetic number, because the mean of its divisors is an integer number (23479820).

Almost surely, 2^1361526606 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1361526606, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1690547040).

1361526606 is an abundant number, since it is smaller than the sum of its proper divisors (2019567474).

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

1361526606 is a wasteful number, since it uses less digits than its factorization.

1361526606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343 (or 329 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 1361526606 is about 36898.8699826973. The cubic root of 1361526606 is about 1108.3460490573.

The spelling of 1361526606 in words is "one billion, three hundred sixty-one million, five hundred twenty-six thousand, six hundred six".