1361443530 has 16 divisors (see below), whose sum is σ = 3267464544. Its totient is φ = 363051600.

The previous prime is 1361443513. The next prime is 1361443547. The reversal of 1361443530 is 353441631.

It is an interprime number because it is at equal distance from previous prime (1361443513) and next prime (1361443547).

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 45381451 = 1361443530 / (1 + 3 + 6 + 1 + 4 + 4 + 3 + 5 + 3 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22690696 + ... + 22690755.

It is an arithmetic number, because the mean of its divisors is an integer number (204216534).

Almost surely, 2^1361443530 is an apocalyptic number.

1361443530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1361443530 is an abundant number, since it is smaller than the sum of its proper divisors (1906021014).

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

1361443530 is a wasteful number, since it uses less digits than its factorization.

1361443530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45381461.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 1361443530 is about 36897.7442399939. The cubic root of 1361443530 is about 1108.3235060215.

The spelling of 1361443530 in words is "one billion, three hundred sixty-one million, four hundred forty-three thousand, five hundred thirty".