1366325632 has 128 divisors (see below), whose sum is σ = 3315962880. Its totient is φ = 547430400.

The previous prime is 1366325629. The next prime is 1366325657. The reversal of 1366325632 is 2365236631.

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 1366325591 and 1366325600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4127707 + ... + 4128037.

It is an arithmetic number, because the mean of its divisors is an integer number (25905960).

Almost surely, 2^1366325632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1366325632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1657981440).

1366325632 is an abundant number, since it is smaller than the sum of its proper divisors (1949637248).

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

1366325632 is a wasteful number, since it uses less digits than its factorization.

1366325632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640 (or 628 counting only the distinct ones).

The product of its digits is 116640, while the sum is 37.

The square root of 1366325632 is about 36963.8422245307. The cubic root of 1366325632 is about 1109.6467322637.

The spelling of 1366325632 in words is "one billion, three hundred sixty-six million, three hundred twenty-five thousand, six hundred thirty-two".