1366485156 has 81 divisors (see below), whose sum is σ = 3546838659. Its totient is φ = 443592000.

The previous prime is 1366485151. The next prime is 1366485161. The reversal of 1366485156 is 6515846631.

The square root of 1366485156 is 36966.

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

1366485156 is a `hidden beast` number, since 13 + 6 + 6 + 485 + 156 = 666.

It is an interprime number because it is at equal distance from previous prime (1366485151) and next prime (1366485161).

It can be written as a sum of positive squares in 4 ways, for example, as 443556 + 1366041600 = 666^2 + 36960^2 .

It is not an unprimeable number, because it can be changed into a prime (1366485151) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 13529506 + ... + 13529606.

Almost surely, 2^1366485156 is an apocalyptic number.

1366485156 is the 36966-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1366485156

1366485156 is an abundant number, since it is smaller than the sum of its proper divisors (2180353503).

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

1366485156 is a wasteful number, since it uses less digits than its factorization.

1366485156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334 (or 167 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The cubic root of 1366485156 is about 1109.6899158193.

Multiplying 1366485156 by its product of digits (518400), we get a square (708385904870400 = 26615520²).

The spelling of 1366485156 in words is "one billion, three hundred sixty-six million, four hundred eighty-five thousand, one hundred fifty-six".