1356065634 has 48 divisors (see below), whose sum is σ = 3406987584. Its totient is φ = 352223520.

The previous prime is 1356065629. The next prime is 1356065647. The reversal of 1356065634 is 4365606531.

It is a happy number.

1356065634 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1356065592 and 1356065601.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 128337 + ... + 138500.

It is an arithmetic number, because the mean of its divisors is an integer number (70978908).

Almost surely, 2^1356065634 is an apocalyptic number.

1356065634 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1356065634 is an abundant number, since it is smaller than the sum of its proper divisors (2050921950).

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

1356065634 is a wasteful number, since it uses less digits than its factorization.

1356065634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266871 (or 266860 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 39.

The square root of 1356065634 is about 36824.7964556493. The cubic root of 1356065634 is about 1106.8622349775.

The spelling of 1356065634 in words is "one billion, three hundred fifty-six million, sixty-five thousand, six hundred thirty-four".