1361380752 has 30 divisors (see below), whose sum is σ = 3809975702. Its totient is φ = 453793536.

The previous prime is 1361380747. The next prime is 1361380759. The reversal of 1361380752 is 2570831631.

It can be written as a sum of positive squares in only one way, i.e., 890664336 + 470716416 = 29844^2 + 21696^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1361380759) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4726873 + ... + 4727160.

Almost surely, 2^1361380752 is an apocalyptic number.

1361380752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1361380752 is an abundant number, since it is smaller than the sum of its proper divisors (2448594950).

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

1361380752 is a wasteful number, since it uses less digits than its factorization.

1361380752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9454047 (or 9454038 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 1361380752 is about 36896.8935277755. The cubic root of 1361380752 is about 1108.3064703284.

The spelling of 1361380752 in words is "one billion, three hundred sixty-one million, three hundred eighty thousand, seven hundred fifty-two".