1427813836 has 6 divisors (see below), whose sum is σ = 2498674220. Its totient is φ = 713906916.

The previous prime is 1427813819. The next prime is 1427813837. The reversal of 1427813836 is 6383187241.

It is a junction number, because it is equal to n+sod(n) for n = 1427813792 and 1427813801.

It is not an unprimeable number, because it can be changed into a prime (1427813837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 178476726 + ... + 178476733.

Almost surely, 2^1427813836 is an apocalyptic number.

It is an amenable number.

1427813836 is a deficient number, since it is larger than the sum of its proper divisors (1070860384).

1427813836 is a wasteful number, since it uses less digits than its factorization.

1427813836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356953463 (or 356953461 counting only the distinct ones).

The product of its digits is 193536, while the sum is 43.

The square root of 1427813836 is about 37786.4239641700. The cubic root of 1427813836 is about 1126.0487566002.

The spelling of 1427813836 in words is "one billion, four hundred twenty-seven million, eight hundred thirteen thousand, eight hundred thirty-six".