1363220427 has 8 divisors (see below), whose sum is σ = 1818148864. Its totient is φ = 908552808.

The previous prime is 1363220401. The next prime is 1363220449. The reversal of 1363220427 is 7240223631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1363220427 - 2⁶ = 1363220363 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1363220394 and 1363220403.

It is not an unprimeable number, because it can be changed into a prime (1363220527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52663 + ... + 74160.

It is an arithmetic number, because the mean of its divisors is an integer number (227268608).

Almost surely, 2^1363220427 is an apocalyptic number.

1363220427 is a deficient number, since it is larger than the sum of its proper divisors (454928437).

1363220427 is a wasteful number, since it uses less digits than its factorization.

1363220427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130409.

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 1363220427 is about 36921.8150556009. The cubic root of 1363220427 is about 1108.8054749779.

The spelling of 1363220427 in words is "one billion, three hundred sixty-three million, two hundred twenty thousand, four hundred twenty-seven".