1363057812 has 18 divisors (see below), whose sum is σ = 3445507338. Its totient is φ = 454352592.

The previous prime is 1363057771. The next prime is 1363057819. The reversal of 1363057812 is 2187503631.

1363057812 is a `hidden beast` number, since 1 + 3 + 630 + 5 + 7 + 8 + 12 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1359839376 + 3218436 = 36876^2 + 1794^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 37862717 = 1363057812 / (1 + 3 + 6 + 3 + 0 + 5 + 7 + 8 + 1 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1363057819) 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, 18931323 + ... + 18931394.

Almost surely, 2^1363057812 is an apocalyptic number.

1363057812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1363057812 is an abundant number, since it is smaller than the sum of its proper divisors (2082449526).

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

1363057812 is a wasteful number, since it uses less digits than its factorization.

1363057812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37862727 (or 37862722 counting only the distinct ones).

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

The square root of 1363057812 is about 36919.6128365399. The cubic root of 1363057812 is about 1108.7613843894.

The spelling of 1363057812 in words is "one billion, three hundred sixty-three million, fifty-seven thousand, eight hundred twelve".