1356644106 has 64 divisors (see below), whose sum is σ = 3066336000. Its totient is φ = 444547008.

The previous prime is 1356644101. The next prime is 1356644111. The reversal of 1356644106 is 6014466531.

It is a happy number.

1356644106 is a `hidden beast` number, since 1 + 3 + 5 + 6 + 644 + 1 + 0 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (1356644101) and next prime (1356644111).

It is not an unprimeable number, because it can be changed into a prime (1356644101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 827920 + ... + 829556.

It is an arithmetic number, because the mean of its divisors is an integer number (47911500).

Almost surely, 2^1356644106 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1356644106, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1533168000).

1356644106 is an abundant number, since it is smaller than the sum of its proper divisors (1709691894).

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

1356644106 is a wasteful number, since it uses less digits than its factorization.

1356644106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1900 (or 1894 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 1356644106 is about 36832.6499996946. The cubic root of 1356644106 is about 1107.0196014479.

The spelling of 1356644106 in words is "one billion, three hundred fifty-six million, six hundred forty-four thousand, one hundred six".