1356386946 has 8 divisors (see below), whose sum is σ = 2712773904. Its totient is φ = 452128980.

The previous prime is 1356386929. The next prime is 1356386947. The reversal of 1356386946 is 6496836531.

It is a happy number.

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

1356386946 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1356386947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113032240 + ... + 113032251.

It is an arithmetic number, because the mean of its divisors is an integer number (339096738).

Almost surely, 2^1356386946 is an apocalyptic number.

1356386946 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1356386946 is a wasteful number, since it uses less digits than its factorization.

1356386946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226064496.

The product of its digits is 2799360, while the sum is 51.

The square root of 1356386946 is about 36829.1589097552. The cubic root of 1356386946 is about 1106.9496496334.

The spelling of 1356386946 in words is "one billion, three hundred fifty-six million, three hundred eighty-six thousand, nine hundred forty-six".