1368415836 has 48 divisors (see below), whose sum is σ = 3634286880. Its totient is φ = 445011840.

The previous prime is 1368415823. The next prime is 1368415847. The reversal of 1368415836 is 6385148631.

1368415836 is a `hidden beast` number, since 1 + 3 + 68 + 4 + 1 + 583 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1368415791 and 1368415800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150091 + ... + 158946.

It is an arithmetic number, because the mean of its divisors is an integer number (75714310).

Almost surely, 2^1368415836 is an apocalyptic number.

It is an amenable number.

1368415836 is an abundant number, since it is smaller than the sum of its proper divisors (2265871044).

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

1368415836 is a wasteful number, since it uses less digits than its factorization.

1368415836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309091 (or 309083 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 1368415836 is about 36992.1050495913. The cubic root of 1368415836 is about 1110.2122895646.

The spelling of 1368415836 in words is "one billion, three hundred sixty-eight million, four hundred fifteen thousand, eight hundred thirty-six".